208097110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{51637}}^1$

素因数の和:51688

約数の個数: 32

約数和(自身を含む): 416408832

約数和(自身を除く): 208311722

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 51637, 103274, 258185, 516370, 671281, 1342562, 1600747, 3201494, 3356405, 6712810, 8003735, 16007470, 20809711, 41619422, 104048555, 208097110]

約数ペア:

[(1, 208097110), (2, 104048555), (5, 41619422), (10, 20809711), (13, 16007470), (26, 8003735), (31, 6712810), (62, 3356405), (65, 3201494), (130, 1600747), (155, 1342562), (310, 671281), (403, 516370), (806, 258185), (2015, 103274), (4030, 51637)]