64701845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{21179}}^1$

素因数の和:21244

約数の個数: 16

約数和(自身を含む): 85397760

約数和(自身を除く): 20695915

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 21179, 105895, 275327, 995413, 1376635, 4977065, 12940369, 64701845]

約数ペア:

[(1, 64701845), (5, 12940369), (13, 4977065), (47, 1376635), (65, 995413), (235, 275327), (611, 105895), (3055, 21179)]