64989283.000000000

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{172399}}^1$

素因数の和:172427

約数の個数: 48

約数和(自身を含む): 753043200

約数和(自身を除く): 470653638

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 172399, 344798, 517197, 1034394, 1206793, 1551591, 2241187, 2413586, 3103182, 3620379, 4482374, 6723561, 7240758, 10861137, 13447122, 15688309, 20170683, 21722274, 31376618, 40341366, 47064927, 94129854, 141194781, 282389562]

約数ペア:

[(1, 282389562), (2, 141194781), (3, 94129854), (6, 47064927), (7, 40341366), (9, 31376618), (13, 21722274), (14, 20170683), (18, 15688309), (21, 13447122), (26, 10861137), (39, 7240758), (42, 6723561), (63, 4482374), (78, 3620379), (91, 3103182), (117, 2413586), (126, 2241187), (182, 1551591), (234, 1206793), (273, 1034394), (546, 517197), (819, 344798), (1638, 172399)]