257490612

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{3079}}^1$

素因数の和:3213

約数の個数: 72

約数和(自身を含む): 686125440

約数和(自身を除く): 428634828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 101, 138, 202, 207, 276, 303, 404, 414, 606, 828, 909, 1212, 1818, 2323, 3079, 3636, 4646, 6158, 6969, 9237, 9292, 12316, 13938, 18474, 20907, 27711, 27876, 36948, 41814, 55422, 70817, 83628, 110844, 141634, 212451, 283268, 310979, 424902, 621958, 637353, 849804, 932937, 1243916, 1274706, 1865874, 2549412, 2798811, 3731748, 5597622, 7152517, 11195244, 14305034, 21457551, 28610068, 42915102, 64372653, 85830204, 128745306, 257490612]

約数ペア:

[(1, 257490612), (2, 128745306), (3, 85830204), (4, 64372653), (6, 42915102), (9, 28610068), (12, 21457551), (18, 14305034), (23, 11195244), (36, 7152517), (46, 5597622), (69, 3731748), (92, 2798811), (101, 2549412), (138, 1865874), (202, 1274706), (207, 1243916), (276, 932937), (303, 849804), (404, 637353), (414, 621958), (606, 424902), (828, 310979), (909, 283268), (1212, 212451), (1818, 141634), (2323, 110844), (3079, 83628), (3636, 70817), (4646, 55422), (6158, 41814), (6969, 36948), (9237, 27876), (9292, 27711), (12316, 20907), (13938, 18474)]