257920488

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13831}}^1$

素因数の和:13887

約数の個数: 96

約数和(自身を含む): 819960960

約数和(自身を除く): 562040472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 37, 42, 56, 63, 72, 74, 84, 111, 126, 148, 168, 222, 252, 259, 296, 333, 444, 504, 518, 666, 777, 888, 1036, 1332, 1554, 2072, 2331, 2664, 3108, 4662, 6216, 9324, 13831, 18648, 27662, 41493, 55324, 82986, 96817, 110648, 124479, 165972, 193634, 248958, 290451, 331944, 387268, 497916, 511747, 580902, 774536, 871353, 995832, 1023494, 1161804, 1535241, 1742706, 2046988, 2323608, 3070482, 3485412, 3582229, 4093976, 4605723, 6140964, 6970824, 7164458, 9211446, 10746687, 12281928, 14328916, 18422892, 21493374, 28657832, 32240061, 36845784, 42986748, 64480122, 85973496, 128960244, 257920488]

約数ペア:

[(1, 257920488), (2, 128960244), (3, 85973496), (4, 64480122), (6, 42986748), (7, 36845784), (8, 32240061), (9, 28657832), (12, 21493374), (14, 18422892), (18, 14328916), (21, 12281928), (24, 10746687), (28, 9211446), (36, 7164458), (37, 6970824), (42, 6140964), (56, 4605723), (63, 4093976), (72, 3582229), (74, 3485412), (84, 3070482), (111, 2323608), (126, 2046988), (148, 1742706), (168, 1535241), (222, 1161804), (252, 1023494), (259, 995832), (296, 871353), (333, 774536), (444, 580902), (504, 511747), (518, 497916), (666, 387268), (777, 331944), (888, 290451), (1036, 248958), (1332, 193634), (1554, 165972), (2072, 124479), (2331, 110648), (2664, 96817), (3108, 82986), (4662, 55324), (6216, 41493), (9324, 27662), (13831, 18648)]