31931989

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 34776000

約数和(自身を除く): 2844011

約数列:

[1, 19, 41, 179, 229, 779, 3401, 4351, 7339, 9389, 40991, 139441, 178391, 778829, 1680631, 31931989]

約数ペア:

[(1, 31931989), (19, 1680631), (41, 778829), (179, 178391), (229, 139441), (779, 40991), (3401, 9389), (4351, 7339)]