42156565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{4013}}^1$

素因数の和:4220

約数の個数: 16

約数和(自身を含む): 55489536

約数和(自身を除く): 13332971

約数列:

[1, 5, 11, 55, 191, 955, 2101, 4013, 10505, 20065, 44143, 220715, 766483, 3832415, 8431313, 42156565]

約数ペア:

[(1, 42156565), (5, 8431313), (11, 3832415), (55, 766483), (191, 220715), (955, 44143), (2101, 20065), (4013, 10505)]