9998890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5347}}^1$

素因数の和:5382

約数の個数: 32

約数和(自身を含む): 20793024

約数和(自身を除く): 10794134

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 5347, 10694, 26735, 53470, 58817, 90899, 117634, 181798, 294085, 454495, 588170, 908990, 999889, 1999778, 4999445, 9998890]

約数ペア:

[(1, 9998890), (2, 4999445), (5, 1999778), (10, 999889), (11, 908990), (17, 588170), (22, 454495), (34, 294085), (55, 181798), (85, 117634), (110, 90899), (170, 58817), (187, 53470), (374, 26735), (935, 10694), (1870, 5347)]