30931724

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{389}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 55080480

約数和(自身を除く): 24148756

約数列:

[1, 2, 4, 103, 193, 206, 386, 389, 412, 772, 778, 1556, 19879, 39758, 40067, 75077, 79516, 80134, 150154, 160268, 300308, 7732931, 15465862, 30931724]

約数ペア:

[(1, 30931724), (2, 15465862), (4, 7732931), (103, 300308), (193, 160268), (206, 150154), (386, 80134), (389, 79516), (412, 75077), (772, 40067), (778, 39758), (1556, 19879)]