256771264

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:414

約数の個数: 112

約数和(自身を含む): 582875136

約数和(自身を除く): 326103872

約数列:

[1, 2, 4, 8, 16, 17, 23, 31, 32, 34, 46, 62, 64, 68, 92, 124, 136, 184, 248, 272, 331, 368, 391, 496, 527, 544, 662, 713, 736, 782, 992, 1054, 1088, 1324, 1426, 1472, 1564, 1984, 2108, 2648, 2852, 3128, 4216, 5296, 5627, 5704, 6256, 7613, 8432, 10261, 10592, 11254, 11408, 12121, 12512, 15226, 16864, 20522, 21184, 22508, 22816, 24242, 25024, 30452, 33728, 41044, 45016, 45632, 48484, 60904, 82088, 90032, 96968, 121808, 129421, 164176, 174437, 180064, 193936, 236003, 243616, 258842, 328352, 348874, 360128, 387872, 472006, 487232, 517684, 656704, 697748, 775744, 944012, 1035368, 1395496, 1888024, 2070736, 2790992, 3776048, 4012051, 4141472, 5581984, 7552096, 8024102, 8282944, 11163968, 15104192, 16048204, 32096408, 64192816, 128385632, 256771264]

約数ペア:

[(1, 256771264), (2, 128385632), (4, 64192816), (8, 32096408), (16, 16048204), (17, 15104192), (23, 11163968), (31, 8282944), (32, 8024102), (34, 7552096), (46, 5581984), (62, 4141472), (64, 4012051), (68, 3776048), (92, 2790992), (124, 2070736), (136, 1888024), (184, 1395496), (248, 1035368), (272, 944012), (331, 775744), (368, 697748), (391, 656704), (496, 517684), (527, 487232), (544, 472006), (662, 387872), (713, 360128), (736, 348874), (782, 328352), (992, 258842), (1054, 243616), (1088, 236003), (1324, 193936), (1426, 180064), (1472, 174437), (1564, 164176), (1984, 129421), (2108, 121808), (2648, 96968), (2852, 90032), (3128, 82088), (4216, 60904), (5296, 48484), (5627, 45632), (5704, 45016), (6256, 41044), (7613, 33728), (8432, 30452), (10261, 25024), (10592, 24242), (11254, 22816), (11408, 22508), (12121, 21184), (12512, 20522), (15226, 16864)]