1977870274

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{1123}}^1\times {\mathrm{8719}}^1$

素因数の和:9945

約数の個数: 16

約数和(自身を含む): 2999191680

約数和(自身を除く): 1021321406

約数列:

[1, 2, 101, 202, 1123, 2246, 8719, 17438, 113423, 226846, 880619, 1761238, 9791437, 19582874, 988935137, 1977870274]

約数ペア:

[(1, 1977870274), (2, 988935137), (101, 19582874), (202, 9791437), (1123, 1761238), (2246, 880619), (8719, 226846), (17438, 113423)]