157021585

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 220492800

約数和(自身を除く): 63471215

約数列:

[1, 5, 7, 35, 79, 109, 395, 521, 545, 553, 763, 2605, 2765, 3647, 3815, 8611, 18235, 41159, 43055, 56789, 60277, 205795, 283945, 288113, 301385, 397523, 1440565, 1987615, 4486331, 22431655, 31404317, 157021585]

約数ペア:

[(1, 157021585), (5, 31404317), (7, 22431655), (35, 4486331), (79, 1987615), (109, 1440565), (395, 397523), (521, 301385), (545, 288113), (553, 283945), (763, 205795), (2605, 60277), (2765, 56789), (3647, 43055), (3815, 41159), (8611, 18235)]