71428175

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31397}}^1$

素因数の和:31427

約数の個数: 24

約数和(自身を含む): 109013856

約数和(自身を除く): 37585681

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 31397, 156985, 219779, 408161, 784925, 1098895, 2040805, 2857127, 5494475, 10204025, 14285635, 71428175]

約数ペア:

[(1, 71428175), (5, 14285635), (7, 10204025), (13, 5494475), (25, 2857127), (35, 2040805), (65, 1098895), (91, 784925), (175, 408161), (325, 219779), (455, 156985), (2275, 31397)]