30989956

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{509}}^1$

素因数の和:1035

約数の個数: 24

約数和(自身を含む): 56206080

約数和(自身を除く): 25216124

約数列:

[1, 2, 4, 31, 62, 124, 491, 509, 982, 1018, 1964, 2036, 15221, 15779, 30442, 31558, 60884, 63116, 249919, 499838, 999676, 7747489, 15494978, 30989956]

約数ペア:

[(1, 30989956), (2, 15494978), (4, 7747489), (31, 999676), (62, 499838), (124, 249919), (491, 63116), (509, 60884), (982, 31558), (1018, 30442), (1964, 15779), (2036, 15221)]