128175378

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1\times {\mathrm{521}}^1$

素因数の和:970

約数の個数: 32

約数和(自身を含む): 259630272

約数和(自身を除く): 131454894

約数列:

[1, 2, 3, 6, 131, 262, 313, 393, 521, 626, 786, 939, 1042, 1563, 1878, 3126, 41003, 68251, 82006, 123009, 136502, 163073, 204753, 246018, 326146, 409506, 489219, 978438, 21362563, 42725126, 64087689, 128175378]

約数ペア:

[(1, 128175378), (2, 64087689), (3, 42725126), (6, 21362563), (131, 978438), (262, 489219), (313, 409506), (393, 326146), (521, 246018), (626, 204753), (786, 163073), (939, 136502), (1042, 123009), (1563, 82006), (1878, 68251), (3126, 41003)]