256242246

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4021}}^1$

素因数の和:4101

約数の個数: 64

約数和(自身を含む): 594612480

約数和(自身を除く): 338370234

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 43, 57, 78, 86, 114, 129, 247, 258, 494, 559, 741, 817, 1118, 1482, 1634, 1677, 2451, 3354, 4021, 4902, 8042, 10621, 12063, 21242, 24126, 31863, 52273, 63726, 76399, 104546, 152798, 156819, 172903, 229197, 313638, 345806, 458394, 518709, 993187, 1037418, 1986374, 2247739, 2979561, 3285157, 4495478, 5959122, 6570314, 6743217, 9855471, 13486434, 19710942, 42707041, 85414082, 128121123, 256242246]

約数ペア:

[(1, 256242246), (2, 128121123), (3, 85414082), (6, 42707041), (13, 19710942), (19, 13486434), (26, 9855471), (38, 6743217), (39, 6570314), (43, 5959122), (57, 4495478), (78, 3285157), (86, 2979561), (114, 2247739), (129, 1986374), (247, 1037418), (258, 993187), (494, 518709), (559, 458394), (741, 345806), (817, 313638), (1118, 229197), (1482, 172903), (1634, 156819), (1677, 152798), (2451, 104546), (3354, 76399), (4021, 63726), (4902, 52273), (8042, 31863), (10621, 24126), (12063, 21242)]