71980139

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{11833}}^1$

素因数の和:11930

約数の個数: 16

約数和(自身を含む): 90885120

約数和(自身を除く): 18904981

約数列:

[1, 7, 11, 77, 79, 553, 869, 6083, 11833, 82831, 130163, 911141, 934807, 6543649, 10282877, 71980139]

約数ペア:

[(1, 71980139), (7, 10282877), (11, 6543649), (77, 934807), (79, 911141), (553, 130163), (869, 82831), (6083, 11833)]