516425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 791616

約数和(自身を除く): 275191

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 227, 325, 455, 1135, 1589, 2275, 2951, 5675, 7945, 14755, 20657, 39725, 73775, 103285, 516425]

約数ペア:

[(1, 516425), (5, 103285), (7, 73775), (13, 39725), (25, 20657), (35, 14755), (65, 7945), (91, 5675), (175, 2951), (227, 2275), (325, 1589), (455, 1135)]