86361890

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^2\times {\mathrm{389}}^1$

素因数の和:694

約数の個数: 24

約数和(自身を含む): 156904020

約数和(自身を除く): 70542130

約数列:

[1, 2, 5, 10, 149, 298, 389, 745, 778, 1490, 1945, 3890, 22201, 44402, 57961, 111005, 115922, 222010, 289805, 579610, 8636189, 17272378, 43180945, 86361890]

約数ペア:

[(1, 86361890), (2, 43180945), (5, 17272378), (10, 8636189), (149, 579610), (298, 289805), (389, 222010), (745, 115922), (778, 111005), (1490, 57961), (1945, 44402), (3890, 22201)]