331365710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{68891}}^1$

素因数の和:68948

約数の個数: 32

約数和(自身を含む): 659709792

約数和(自身を除く): 328344082

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 68891, 137782, 344455, 688910, 895583, 1791166, 2548967, 4477915, 5097934, 8955830, 12744835, 25489670, 33136571, 66273142, 165682855, 331365710]

約数ペア:

[(1, 331365710), (2, 165682855), (5, 66273142), (10, 33136571), (13, 25489670), (26, 12744835), (37, 8955830), (65, 5097934), (74, 4477915), (130, 2548967), (185, 1791166), (370, 895583), (481, 688910), (962, 344455), (2405, 137782), (4810, 68891)]