388905816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{571}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 1095494400

約数和(自身を除く): 706588584

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 59, 74, 78, 104, 111, 118, 148, 156, 177, 222, 236, 296, 312, 354, 444, 472, 481, 571, 708, 767, 888, 962, 1142, 1416, 1443, 1534, 1713, 1924, 2183, 2284, 2301, 2886, 3068, 3426, 3848, 4366, 4568, 4602, 5772, 6136, 6549, 6852, 7423, 8732, 9204, 11544, 13098, 13704, 14846, 17464, 18408, 21127, 22269, 26196, 28379, 29692, 33689, 42254, 44538, 52392, 56758, 59384, 63381, 67378, 84508, 85137, 89076, 101067, 113516, 126762, 134756, 169016, 170274, 178152, 202134, 227032, 253524, 269512, 274651, 340548, 404268, 437957, 507048, 549302, 681096, 808536, 823953, 875914, 1098604, 1246493, 1313871, 1647906, 1751828, 2197208, 2492986, 2627742, 3295812, 3503656, 3739479, 4985972, 5255484, 6591624, 7478958, 9971944, 10510968, 14957916, 16204409, 29915832, 32408818, 48613227, 64817636, 97226454, 129635272, 194452908, 388905816]

約数ペア:

[(1, 388905816), (2, 194452908), (3, 129635272), (4, 97226454), (6, 64817636), (8, 48613227), (12, 32408818), (13, 29915832), (24, 16204409), (26, 14957916), (37, 10510968), (39, 9971944), (52, 7478958), (59, 6591624), (74, 5255484), (78, 4985972), (104, 3739479), (111, 3503656), (118, 3295812), (148, 2627742), (156, 2492986), (177, 2197208), (222, 1751828), (236, 1647906), (296, 1313871), (312, 1246493), (354, 1098604), (444, 875914), (472, 823953), (481, 808536), (571, 681096), (708, 549302), (767, 507048), (888, 437957), (962, 404268), (1142, 340548), (1416, 274651), (1443, 269512), (1534, 253524), (1713, 227032), (1924, 202134), (2183, 178152), (2284, 170274), (2301, 169016), (2886, 134756), (3068, 126762), (3426, 113516), (3848, 101067), (4366, 89076), (4568, 85137), (4602, 84508), (5772, 67378), (6136, 63381), (6549, 59384), (6852, 56758), (7423, 52392), (8732, 44538), (9204, 42254), (11544, 33689), (13098, 29692), (13704, 28379), (14846, 26196), (17464, 22269), (18408, 21127)]