71479009

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 86710400

約数和(自身を除く): 15231391

約数列:

[1, 7, 23, 97, 161, 199, 529, 679, 1393, 2231, 3703, 4577, 15617, 19303, 32039, 51313, 105271, 135121, 359191, 443969, 736897, 3107783, 10211287, 71479009]

約数ペア:

[(1, 71479009), (7, 10211287), (23, 3107783), (97, 736897), (161, 443969), (199, 359191), (529, 135121), (679, 105271), (1393, 51313), (2231, 32039), (3703, 19303), (4577, 15617)]