64574216

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 142560000

約数和(自身を除く): 77985784

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 109, 142, 149, 218, 284, 298, 436, 497, 568, 596, 763, 872, 994, 1043, 1192, 1526, 1988, 2086, 3052, 3976, 4172, 6104, 7739, 8344, 10579, 15478, 16241, 21158, 30956, 32482, 42316, 54173, 61912, 64964, 74053, 84632, 108346, 113687, 129928, 148106, 216692, 227374, 296212, 433384, 454748, 592424, 909496, 1153111, 2306222, 4612444, 8071777, 9224888, 16143554, 32287108, 64574216]

約数ペア:

[(1, 64574216), (2, 32287108), (4, 16143554), (7, 9224888), (8, 8071777), (14, 4612444), (28, 2306222), (56, 1153111), (71, 909496), (109, 592424), (142, 454748), (149, 433384), (218, 296212), (284, 227374), (298, 216692), (436, 148106), (497, 129928), (568, 113687), (596, 108346), (763, 84632), (872, 74053), (994, 64964), (1043, 61912), (1192, 54173), (1526, 42316), (1988, 32482), (2086, 30956), (3052, 21158), (3976, 16241), (4172, 15478), (6104, 10579), (7739, 8344)]