721099145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{1223}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 957422592

約数和(自身を除く): 236323447

約数列:

[1, 5, 13, 47, 65, 193, 235, 611, 965, 1223, 2509, 3055, 6115, 9071, 12545, 15899, 45355, 57481, 79495, 117923, 236039, 287405, 589615, 747253, 1180195, 3068507, 3736265, 11093833, 15342535, 55469165, 144219829, 721099145]

約数ペア:

[(1, 721099145), (5, 144219829), (13, 55469165), (47, 15342535), (65, 11093833), (193, 3736265), (235, 3068507), (611, 1180195), (965, 747253), (1223, 589615), (2509, 287405), (3055, 236039), (6115, 117923), (9071, 79495), (12545, 57481), (15899, 45355)]