664036615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{757}}^1$

素因数の和:1203

約数の個数: 32

約数和(自身を含む): 893954880

約数和(自身を除く): 229918265

約数列:

[1, 5, 11, 41, 55, 205, 389, 451, 757, 1945, 2255, 3785, 4279, 8327, 15949, 21395, 31037, 41635, 79745, 155185, 175439, 294473, 341407, 877195, 1472365, 1707035, 3239203, 12073393, 16196015, 60366965, 132807323, 664036615]

約数ペア:

[(1, 664036615), (5, 132807323), (11, 60366965), (41, 16196015), (55, 12073393), (205, 3239203), (389, 1707035), (451, 1472365), (757, 877195), (1945, 341407), (2255, 294473), (3785, 175439), (4279, 155185), (8327, 79745), (15949, 41635), (21395, 31037)]