64885730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{631}}^1$

素因数の和:771

約数の個数: 64

約数和(自身を含む): 145248768

約数和(自身を除く): 80363038

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 113, 130, 182, 226, 455, 565, 631, 791, 910, 1130, 1262, 1469, 1582, 2938, 3155, 3955, 4417, 6310, 7345, 7910, 8203, 8834, 10283, 14690, 16406, 20566, 22085, 41015, 44170, 51415, 57421, 71303, 82030, 102830, 114842, 142606, 287105, 356515, 499121, 574210, 713030, 926939, 998242, 1853878, 2495605, 4634695, 4991210, 6488573, 9269390, 12977146, 32442865, 64885730]

約数ペア:

[(1, 64885730), (2, 32442865), (5, 12977146), (7, 9269390), (10, 6488573), (13, 4991210), (14, 4634695), (26, 2495605), (35, 1853878), (65, 998242), (70, 926939), (91, 713030), (113, 574210), (130, 499121), (182, 356515), (226, 287105), (455, 142606), (565, 114842), (631, 102830), (791, 82030), (910, 71303), (1130, 57421), (1262, 51415), (1469, 44170), (1582, 41015), (2938, 22085), (3155, 20566), (3955, 16406), (4417, 14690), (6310, 10283), (7345, 8834), (7910, 8203)]