256979463904

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{4871}}^1\times {\mathrm{10501}}^1$

素因数の和:15539

約数の個数: 48

約数和(自身を含む): 509303815776

約数和(自身を除く): 252324351872

約数列:

[1, 2, 4, 8, 16, 32, 157, 314, 628, 1256, 2512, 4871, 5024, 9742, 10501, 19484, 21002, 38968, 42004, 77936, 84008, 155872, 168016, 336032, 764747, 1529494, 1648657, 3058988, 3297314, 6117976, 6594628, 12235952, 13189256, 24471904, 26378512, 51150371, 52757024, 102300742, 204601484, 409202968, 818405936, 1636811872, 8030608247, 16061216494, 32122432988, 64244865976, 128489731952, 256979463904]

約数ペア:

[(1, 256979463904), (2, 128489731952), (4, 64244865976), (8, 32122432988), (16, 16061216494), (32, 8030608247), (157, 1636811872), (314, 818405936), (628, 409202968), (1256, 204601484), (2512, 102300742), (4871, 52757024), (5024, 51150371), (9742, 26378512), (10501, 24471904), (19484, 13189256), (21002, 12235952), (38968, 6594628), (42004, 6117976), (77936, 3297314), (84008, 3058988), (155872, 1648657), (168016, 1529494), (336032, 764747)]