259972748

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{521}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 530385408

約数和(自身を除く): 270412660

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 251, 284, 497, 502, 521, 994, 1004, 1042, 1757, 1988, 2084, 3514, 3647, 7028, 7294, 14588, 17821, 35642, 36991, 71284, 73982, 124747, 130771, 147964, 249494, 258937, 261542, 498988, 517874, 523084, 915397, 1035748, 1830794, 3661588, 9284741, 18569482, 37138964, 64993187, 129986374, 259972748]

約数ペア:

[(1, 259972748), (2, 129986374), (4, 64993187), (7, 37138964), (14, 18569482), (28, 9284741), (71, 3661588), (142, 1830794), (251, 1035748), (284, 915397), (497, 523084), (502, 517874), (521, 498988), (994, 261542), (1004, 258937), (1042, 249494), (1757, 147964), (1988, 130771), (2084, 124747), (3514, 73982), (3647, 71284), (7028, 36991), (7294, 35642), (14588, 17821)]