81038830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{1523}}^1$

素因数の和:1860

約数の個数: 32

約数和(自身を含む): 155045664

約数和(自身を除く): 74006834

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 313, 626, 1523, 1565, 3046, 3130, 5321, 7615, 10642, 15230, 25891, 26605, 51782, 53210, 129455, 258910, 476699, 953398, 2383495, 4766990, 8103883, 16207766, 40519415, 81038830]

約数ペア:

[(1, 81038830), (2, 40519415), (5, 16207766), (10, 8103883), (17, 4766990), (34, 2383495), (85, 953398), (170, 476699), (313, 258910), (626, 129455), (1523, 53210), (1565, 51782), (3046, 26605), (3130, 25891), (5321, 15230), (7615, 10642)]