638217144

素因数分解:

$2^3\times 3^5\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1$

素因数の和:544

約数の個数: 192

約数和(自身を含む): 1942012800

約数和(自身を除く): 1303795656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 37, 38, 54, 57, 72, 74, 76, 81, 108, 111, 114, 148, 152, 162, 171, 216, 222, 228, 243, 296, 324, 333, 342, 444, 456, 467, 486, 513, 648, 666, 684, 703, 888, 934, 972, 999, 1026, 1332, 1368, 1401, 1406, 1539, 1868, 1944, 1998, 2052, 2109, 2664, 2802, 2812, 2997, 3078, 3736, 3996, 4104, 4203, 4218, 4617, 5604, 5624, 5994, 6156, 6327, 7992, 8406, 8436, 8873, 8991, 9234, 11208, 11988, 12312, 12609, 12654, 16812, 16872, 17279, 17746, 17982, 18468, 18981, 23976, 25218, 25308, 26619, 33624, 34558, 35492, 35964, 36936, 37827, 37962, 50436, 50616, 51837, 53238, 56943, 69116, 70984, 71928, 75654, 75924, 79857, 100872, 103674, 106476, 113481, 113886, 138232, 151308, 151848, 155511, 159714, 170829, 207348, 212952, 226962, 227772, 239571, 302616, 311022, 319428, 328301, 341658, 414696, 453924, 455544, 466533, 479142, 622044, 638856, 656602, 683316, 718713, 907848, 933066, 958284, 984903, 1244088, 1313204, 1366632, 1399599, 1437426, 1866132, 1916568, 1969806, 2156139, 2626408, 2799198, 2874852, 2954709, 3732264, 3939612, 4198797, 4312278, 5598396, 5749704, 5909418, 7879224, 8397594, 8624556, 8864127, 11196792, 11818836, 16795188, 17249112, 17728254, 23637672, 26592381, 33590376, 35456508, 53184762, 70913016, 79777143, 106369524, 159554286, 212739048, 319108572, 638217144]

約数ペア:

[(1, 638217144), (2, 319108572), (3, 212739048), (4, 159554286), (6, 106369524), (8, 79777143), (9, 70913016), (12, 53184762), (18, 35456508), (19, 33590376), (24, 26592381), (27, 23637672), (36, 17728254), (37, 17249112), (38, 16795188), (54, 11818836), (57, 11196792), (72, 8864127), (74, 8624556), (76, 8397594), (81, 7879224), (108, 5909418), (111, 5749704), (114, 5598396), (148, 4312278), (152, 4198797), (162, 3939612), (171, 3732264), (216, 2954709), (222, 2874852), (228, 2799198), (243, 2626408), (296, 2156139), (324, 1969806), (333, 1916568), (342, 1866132), (444, 1437426), (456, 1399599), (467, 1366632), (486, 1313204), (513, 1244088), (648, 984903), (666, 958284), (684, 933066), (703, 907848), (888, 718713), (934, 683316), (972, 656602), (999, 638856), (1026, 622044), (1332, 479142), (1368, 466533), (1401, 455544), (1406, 453924), (1539, 414696), (1868, 341658), (1944, 328301), (1998, 319428), (2052, 311022), (2109, 302616), (2664, 239571), (2802, 227772), (2812, 226962), (2997, 212952), (3078, 207348), (3736, 170829), (3996, 159714), (4104, 155511), (4203, 151848), (4218, 151308), (4617, 138232), (5604, 113886), (5624, 113481), (5994, 106476), (6156, 103674), (6327, 100872), (7992, 79857), (8406, 75924), (8436, 75654), (8873, 71928), (8991, 70984), (9234, 69116), (11208, 56943), (11988, 53238), (12312, 51837), (12609, 50616), (12654, 50436), (16812, 37962), (16872, 37827), (17279, 36936), (17746, 35964), (17982, 35492), (18468, 34558), (18981, 33624), (23976, 26619), (25218, 25308)]