31864170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81703}}^1$

素因数の和:81726

約数の個数: 32

約数和(自身を含む): 82357632

約数和(自身を除く): 50493462

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 81703, 163406, 245109, 408515, 490218, 817030, 1062139, 1225545, 2124278, 2451090, 3186417, 5310695, 6372834, 10621390, 15932085, 31864170]

約数ペア:

[(1, 31864170), (2, 15932085), (3, 10621390), (5, 6372834), (6, 5310695), (10, 3186417), (13, 2451090), (15, 2124278), (26, 1225545), (30, 1062139), (39, 817030), (65, 490218), (78, 408515), (130, 245109), (195, 163406), (390, 81703)]