1288892536

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{133481}}^1$

素因数の和:133575

約数の個数: 32

約数和(自身を含む): 2594890080

約数和(自身を除く): 1305997544

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 568, 1207, 2414, 4828, 9656, 133481, 266962, 533924, 1067848, 2269177, 4538354, 9076708, 9477151, 18153416, 18954302, 37908604, 75817208, 161111567, 322223134, 644446268, 1288892536]

約数ペア:

[(1, 1288892536), (2, 644446268), (4, 322223134), (8, 161111567), (17, 75817208), (34, 37908604), (68, 18954302), (71, 18153416), (136, 9477151), (142, 9076708), (284, 4538354), (568, 2269177), (1207, 1067848), (2414, 533924), (4828, 266962), (9656, 133481)]