78721986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{4231}}^1$

素因数の和:4686

約数の個数: 32

約数和(自身を含む): 180384768

約数和(自身を除く): 101662782

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 443, 886, 1329, 2658, 3101, 4231, 6202, 8462, 9303, 12693, 18606, 25386, 29617, 59234, 88851, 177702, 1874333, 3748666, 5622999, 11245998, 13120331, 26240662, 39360993, 78721986]

約数ペア:

[(1, 78721986), (2, 39360993), (3, 26240662), (6, 13120331), (7, 11245998), (14, 5622999), (21, 3748666), (42, 1874333), (443, 177702), (886, 88851), (1329, 59234), (2658, 29617), (3101, 25386), (4231, 18606), (6202, 12693), (8462, 9303)]