90309661

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 109105920

約数和(自身を除く): 18796259

約数列:

[1, 13, 17, 23, 109, 163, 221, 299, 391, 1417, 1853, 2119, 2507, 2771, 3749, 5083, 17767, 24089, 32591, 36023, 42619, 48737, 63733, 230971, 302039, 408641, 554047, 828529, 3926507, 5312333, 6946897, 90309661]

約数ペア:

[(1, 90309661), (13, 6946897), (17, 5312333), (23, 3926507), (109, 828529), (163, 554047), (221, 408641), (299, 302039), (391, 230971), (1417, 63733), (1853, 48737), (2119, 42619), (2507, 36023), (2771, 32591), (3749, 24089), (5083, 17767)]