820939631

素因数分解:

${\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:599

約数の個数: 24

約数和(自身を含む): 893240784

約数和(自身を除く): 72301153

約数列:

[1, 19, 53, 107, 361, 401, 1007, 2033, 5671, 7619, 19133, 21253, 38627, 42907, 107749, 144761, 403807, 815233, 2047231, 2274071, 7672333, 15489427, 43207349, 820939631]

約数ペア:

[(1, 820939631), (19, 43207349), (53, 15489427), (107, 7672333), (361, 2274071), (401, 2047231), (1007, 815233), (2033, 403807), (5671, 144761), (7619, 107749), (19133, 42907), (21253, 38627)]