4639895

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:84

約数の個数: 36

約数和(自身を含む): 6741720

約数和(自身を除く): 2101825

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 169, 221, 247, 289, 323, 845, 1105, 1235, 1445, 1615, 2873, 3211, 3757, 4199, 5491, 14365, 16055, 18785, 20995, 27455, 48841, 54587, 71383, 244205, 272935, 356915, 927979, 4639895]

約数ペア:

[(1, 4639895), (5, 927979), (13, 356915), (17, 272935), (19, 244205), (65, 71383), (85, 54587), (95, 48841), (169, 27455), (221, 20995), (247, 18785), (289, 16055), (323, 14365), (845, 5491), (1105, 4199), (1235, 3757), (1445, 3211), (1615, 2873)]