66687556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{12451}}^1$

素因数の和:12571

約数の個数: 24

約数和(自身を含む): 126910784

約数和(自身を除く): 60223228

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 5356, 12451, 24902, 49804, 161863, 323726, 647452, 1282453, 2564906, 5129812, 16671889, 33343778, 66687556]

約数ペア:

[(1, 66687556), (2, 33343778), (4, 16671889), (13, 5129812), (26, 2564906), (52, 1282453), (103, 647452), (206, 323726), (412, 161863), (1339, 49804), (2678, 24902), (5356, 12451)]