64703665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 87284736

約数和(自身を除く): 22581071

約数列:

[1, 5, 13, 31, 65, 155, 163, 197, 403, 815, 985, 2015, 2119, 2561, 5053, 6107, 10595, 12805, 25265, 30535, 32111, 65689, 79391, 160555, 328445, 396955, 417443, 995441, 2087215, 4977205, 12940733, 64703665]

約数ペア:

[(1, 64703665), (5, 12940733), (13, 4977205), (31, 2087215), (65, 995441), (155, 417443), (163, 396955), (197, 328445), (403, 160555), (815, 79391), (985, 65689), (2015, 32111), (2119, 30535), (2561, 25265), (5053, 12805), (6107, 10595)]