678278878

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{135277}}^1$

素因数の和:135411

約数の個数: 16

約数和(自身を含む): 1071401760

約数和(自身を除く): 393122882

約数列:

[1, 2, 23, 46, 109, 218, 2507, 5014, 135277, 270554, 3111371, 6222742, 14745193, 29490386, 339139439, 678278878]

約数ペア:

[(1, 678278878), (2, 339139439), (23, 29490386), (46, 14745193), (109, 6222742), (218, 3111371), (2507, 270554), (5014, 135277)]