128138696

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61843}}^1$

素因数の和:61893

約数の個数: 32

約数和(自身を含む): 282008640

約数和(自身を除く): 153869944

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 61843, 123686, 247372, 432901, 494744, 865802, 1731604, 2288191, 3463208, 4576382, 9152764, 16017337, 18305528, 32034674, 64069348, 128138696]

約数ペア:

[(1, 128138696), (2, 64069348), (4, 32034674), (7, 18305528), (8, 16017337), (14, 9152764), (28, 4576382), (37, 3463208), (56, 2288191), (74, 1731604), (148, 865802), (259, 494744), (296, 432901), (518, 247372), (1036, 123686), (2072, 61843)]