77405390

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 141842016

約数和(自身を除く): 64436626

約数列:

[1, 2, 5, 10, 101, 173, 202, 346, 443, 505, 865, 886, 1010, 1730, 2215, 4430, 17473, 34946, 44743, 76639, 87365, 89486, 153278, 174730, 223715, 383195, 447430, 766390, 7740539, 15481078, 38702695, 77405390]

約数ペア:

[(1, 77405390), (2, 38702695), (5, 15481078), (10, 7740539), (101, 766390), (173, 447430), (202, 383195), (346, 223715), (443, 174730), (505, 153278), (865, 89486), (886, 87365), (1010, 76639), (1730, 44743), (2215, 34946), (4430, 17473)]