31781854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 54059040

約数和(自身を除く): 22277186

約数列:

[1, 2, 13, 26, 29, 58, 61, 122, 377, 691, 754, 793, 1382, 1586, 1769, 3538, 8983, 17966, 20039, 22997, 40078, 42151, 45994, 84302, 260507, 521014, 547963, 1095926, 1222379, 2444758, 15890927, 31781854]

約数ペア:

[(1, 31781854), (2, 15890927), (13, 2444758), (26, 1222379), (29, 1095926), (58, 547963), (61, 521014), (122, 260507), (377, 84302), (691, 45994), (754, 42151), (793, 40078), (1382, 22997), (1586, 20039), (1769, 17966), (3538, 8983)]