168881245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 223985664

約数和(自身を除く): 55104419

約数列:

[1, 5, 13, 61, 65, 191, 223, 305, 793, 955, 1115, 2483, 2899, 3965, 11651, 12415, 13603, 14495, 42593, 58255, 68015, 151463, 176839, 212965, 553709, 757315, 884195, 2598173, 2768545, 12990865, 33776249, 168881245]

約数ペア:

[(1, 168881245), (5, 33776249), (13, 12990865), (61, 2768545), (65, 2598173), (191, 884195), (223, 757315), (305, 553709), (793, 212965), (955, 176839), (1115, 151463), (2483, 68015), (2899, 58255), (3965, 42593), (11651, 14495), (12415, 13603)]