256707032

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 514252800

約数和(自身を除く): 257545768

約数列:

[1, 2, 4, 8, 31, 61, 62, 71, 122, 124, 142, 239, 244, 248, 284, 478, 488, 568, 956, 1891, 1912, 2201, 3782, 4331, 4402, 7409, 7564, 8662, 8804, 14579, 14818, 15128, 16969, 17324, 17608, 29158, 29636, 33938, 34648, 58316, 59272, 67876, 116632, 134261, 135752, 268522, 451949, 526039, 537044, 903898, 1035109, 1052078, 1074088, 1807796, 2070218, 2104156, 3615592, 4140436, 4208312, 8280872, 32088379, 64176758, 128353516, 256707032]

約数ペア:

[(1, 256707032), (2, 128353516), (4, 64176758), (8, 32088379), (31, 8280872), (61, 4208312), (62, 4140436), (71, 3615592), (122, 2104156), (124, 2070218), (142, 1807796), (239, 1074088), (244, 1052078), (248, 1035109), (284, 903898), (478, 537044), (488, 526039), (568, 451949), (956, 268522), (1891, 135752), (1912, 134261), (2201, 116632), (3782, 67876), (4331, 59272), (4402, 58316), (7409, 34648), (7564, 33938), (8662, 29636), (8804, 29158), (14579, 17608), (14818, 17324), (15128, 16969)]