31997428

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1847}}^1$

素因数の和:1983

約数の個数: 24

約数和(自身を含む): 57746304

約数和(自身を除く): 25748876

約数列:

[1, 2, 4, 61, 71, 122, 142, 244, 284, 1847, 3694, 4331, 7388, 8662, 17324, 112667, 131137, 225334, 262274, 450668, 524548, 7999357, 15998714, 31997428]

約数ペア:

[(1, 31997428), (2, 15998714), (4, 7999357), (61, 524548), (71, 450668), (122, 262274), (142, 225334), (244, 131137), (284, 112667), (1847, 17324), (3694, 8662), (4331, 7388)]