257868912

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1371

約数の個数: 160

約数和(自身を含む): 827883520

約数和(自身を除く): 570014608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 31, 38, 42, 48, 56, 57, 62, 76, 84, 93, 112, 114, 124, 133, 152, 168, 186, 217, 228, 248, 266, 304, 336, 372, 399, 434, 456, 496, 532, 589, 651, 744, 798, 868, 912, 1064, 1178, 1302, 1303, 1488, 1596, 1736, 1767, 2128, 2356, 2604, 2606, 3192, 3472, 3534, 3909, 4123, 4712, 5208, 5212, 6384, 7068, 7818, 8246, 9121, 9424, 10416, 10424, 12369, 14136, 15636, 16492, 18242, 20848, 24738, 24757, 27363, 28272, 31272, 32984, 36484, 40393, 49476, 49514, 54726, 62544, 65968, 72968, 74271, 80786, 98952, 99028, 109452, 121179, 145936, 148542, 161572, 173299, 197904, 198056, 218904, 242358, 282751, 297084, 323144, 346598, 396112, 437808, 484716, 519897, 565502, 594168, 646288, 693196, 767467, 848253, 969432, 1039794, 1131004, 1188336, 1386392, 1534934, 1696506, 1938864, 2079588, 2262008, 2302401, 2772784, 3069868, 3393012, 4159176, 4524016, 4604802, 5372269, 6139736, 6786024, 8318352, 9209604, 10744538, 12279472, 13572048, 16116807, 18419208, 21489076, 32233614, 36838416, 42978152, 64467228, 85956304, 128934456, 257868912]

約数ペア:

[(1, 257868912), (2, 128934456), (3, 85956304), (4, 64467228), (6, 42978152), (7, 36838416), (8, 32233614), (12, 21489076), (14, 18419208), (16, 16116807), (19, 13572048), (21, 12279472), (24, 10744538), (28, 9209604), (31, 8318352), (38, 6786024), (42, 6139736), (48, 5372269), (56, 4604802), (57, 4524016), (62, 4159176), (76, 3393012), (84, 3069868), (93, 2772784), (112, 2302401), (114, 2262008), (124, 2079588), (133, 1938864), (152, 1696506), (168, 1534934), (186, 1386392), (217, 1188336), (228, 1131004), (248, 1039794), (266, 969432), (304, 848253), (336, 767467), (372, 693196), (399, 646288), (434, 594168), (456, 565502), (496, 519897), (532, 484716), (589, 437808), (651, 396112), (744, 346598), (798, 323144), (868, 297084), (912, 282751), (1064, 242358), (1178, 218904), (1302, 198056), (1303, 197904), (1488, 173299), (1596, 161572), (1736, 148542), (1767, 145936), (2128, 121179), (2356, 109452), (2604, 99028), (2606, 98952), (3192, 80786), (3472, 74271), (3534, 72968), (3909, 65968), (4123, 62544), (4712, 54726), (5208, 49514), (5212, 49476), (6384, 40393), (7068, 36484), (7818, 32984), (8246, 31272), (9121, 28272), (9424, 27363), (10416, 24757), (10424, 24738), (12369, 20848), (14136, 18242), (15636, 16492)]