30789628

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{491}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 55090224

約数和(自身を除く): 24300596

約数列:

[1, 2, 4, 61, 122, 244, 257, 491, 514, 982, 1028, 1964, 15677, 29951, 31354, 59902, 62708, 119804, 126187, 252374, 504748, 7697407, 15394814, 30789628]

約数ペア:

[(1, 30789628), (2, 15394814), (4, 7697407), (61, 504748), (122, 252374), (244, 126187), (257, 119804), (491, 62708), (514, 59902), (982, 31354), (1028, 29951), (1964, 15677)]