642012448

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23687}}^1$

素因数の和:23726

約数の個数: 72

約数和(自身を含む): 1587854016

約数和(自身を除く): 945841568

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 121, 154, 176, 224, 242, 308, 352, 484, 616, 847, 968, 1232, 1694, 1936, 2464, 3388, 3872, 6776, 13552, 23687, 27104, 47374, 94748, 165809, 189496, 260557, 331618, 378992, 521114, 663236, 757984, 1042228, 1326472, 1823899, 2084456, 2652944, 2866127, 3647798, 4168912, 5305888, 5732254, 7295596, 8337824, 11464508, 14591192, 20062889, 22929016, 29182384, 40125778, 45858032, 58364768, 80251556, 91716064, 160503112, 321006224, 642012448]

約数ペア:

[(1, 642012448), (2, 321006224), (4, 160503112), (7, 91716064), (8, 80251556), (11, 58364768), (14, 45858032), (16, 40125778), (22, 29182384), (28, 22929016), (32, 20062889), (44, 14591192), (56, 11464508), (77, 8337824), (88, 7295596), (112, 5732254), (121, 5305888), (154, 4168912), (176, 3647798), (224, 2866127), (242, 2652944), (308, 2084456), (352, 1823899), (484, 1326472), (616, 1042228), (847, 757984), (968, 663236), (1232, 521114), (1694, 378992), (1936, 331618), (2464, 260557), (3388, 189496), (3872, 165809), (6776, 94748), (13552, 47374), (23687, 27104)]