39890012

素因数分解:

$2^2\times {\mathrm{163}}^1\times {\mathrm{193}}^1\times {\mathrm{317}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 70822416

約数和(自身を除く): 30932404

約数列:

[1, 2, 4, 163, 193, 317, 326, 386, 634, 652, 772, 1268, 31459, 51671, 61181, 62918, 103342, 122362, 125836, 206684, 244724, 9972503, 19945006, 39890012]

約数ペア:

[(1, 39890012), (2, 19945006), (4, 9972503), (163, 244724), (193, 206684), (317, 125836), (326, 122362), (386, 103342), (634, 62918), (652, 61181), (772, 51671), (1268, 31459)]