25520285

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 37036032

約数和(自身を除く): 11515747

約数列:

[1, 5, 7, 31, 35, 43, 155, 215, 217, 301, 547, 1085, 1333, 1505, 2735, 3829, 6665, 9331, 16957, 19145, 23521, 46655, 84785, 117605, 118699, 164647, 593495, 729151, 823235, 3645755, 5104057, 25520285]

約数ペア:

[(1, 25520285), (5, 5104057), (7, 3645755), (31, 823235), (35, 729151), (43, 593495), (155, 164647), (215, 118699), (217, 117605), (301, 84785), (547, 46655), (1085, 23521), (1333, 19145), (1505, 16957), (2735, 9331), (3829, 6665)]