71889415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{18131}}^1$

素因数の和:18210

約数の個数: 16

約数和(自身を含む): 94431456

約数和(自身を除く): 22542041

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 18131, 90655, 235703, 1105991, 1178515, 5529955, 14377883, 71889415]

約数ペア:

[(1, 71889415), (5, 14377883), (13, 5529955), (61, 1178515), (65, 1105991), (305, 235703), (793, 90655), (3965, 18131)]