128630656

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:484

約数の個数: 128

約数和(自身を含む): 330577920

約数和(自身を除く): 201947264

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 64, 77, 88, 112, 124, 128, 154, 176, 217, 224, 248, 308, 341, 352, 421, 434, 448, 496, 616, 682, 704, 842, 868, 896, 992, 1232, 1364, 1408, 1684, 1736, 1984, 2387, 2464, 2728, 2947, 3368, 3472, 3968, 4631, 4774, 4928, 5456, 5894, 6736, 6944, 9262, 9548, 9856, 10912, 11788, 13051, 13472, 13888, 18524, 19096, 21824, 23576, 26102, 26944, 27776, 32417, 37048, 38192, 43648, 47152, 52204, 53888, 64834, 74096, 76384, 91357, 94304, 104408, 129668, 143561, 148192, 152768, 182714, 188608, 208816, 259336, 287122, 296384, 305536, 365428, 377216, 417632, 518672, 574244, 592768, 730856, 835264, 1004927, 1037344, 1148488, 1461712, 1670528, 2009854, 2074688, 2296976, 2923424, 4019708, 4149376, 4593952, 5846848, 8039416, 9187904, 11693696, 16078832, 18375808, 32157664, 64315328, 128630656]

約数ペア:

[(1, 128630656), (2, 64315328), (4, 32157664), (7, 18375808), (8, 16078832), (11, 11693696), (14, 9187904), (16, 8039416), (22, 5846848), (28, 4593952), (31, 4149376), (32, 4019708), (44, 2923424), (56, 2296976), (62, 2074688), (64, 2009854), (77, 1670528), (88, 1461712), (112, 1148488), (124, 1037344), (128, 1004927), (154, 835264), (176, 730856), (217, 592768), (224, 574244), (248, 518672), (308, 417632), (341, 377216), (352, 365428), (421, 305536), (434, 296384), (448, 287122), (496, 259336), (616, 208816), (682, 188608), (704, 182714), (842, 152768), (868, 148192), (896, 143561), (992, 129668), (1232, 104408), (1364, 94304), (1408, 91357), (1684, 76384), (1736, 74096), (1984, 64834), (2387, 53888), (2464, 52204), (2728, 47152), (2947, 43648), (3368, 38192), (3472, 37048), (3968, 32417), (4631, 27776), (4774, 26944), (4928, 26102), (5456, 23576), (5894, 21824), (6736, 19096), (6944, 18524), (9262, 13888), (9548, 13472), (9856, 13051), (10912, 11788)]