31178516

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{751}}^1$

素因数の和:959

約数の個数: 24

約数和(自身を含む): 55714176

約数和(自身を除く): 24535660

約数列:

[1, 2, 4, 97, 107, 194, 214, 388, 428, 751, 1502, 3004, 10379, 20758, 41516, 72847, 80357, 145694, 160714, 291388, 321428, 7794629, 15589258, 31178516]

約数ペア:

[(1, 31178516), (2, 15589258), (4, 7794629), (97, 321428), (107, 291388), (194, 160714), (214, 145694), (388, 80357), (428, 72847), (751, 41516), (1502, 20758), (3004, 10379)]