1399456968

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{640777}}^1$

素因数の和:640806

約数の個数: 64

約数和(自身を含む): 4306028160

約数和(自身を除く): 2906571192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 640777, 1281554, 1922331, 2563108, 3844662, 4485439, 5126216, 7689324, 8330101, 8970878, 13456317, 15378648, 16660202, 17941756, 24990303, 26912634, 33320404, 35883512, 49980606, 53825268, 58310707, 66640808, 99961212, 107650536, 116621414, 174932121, 199922424, 233242828, 349864242, 466485656, 699728484, 1399456968]

約数ペア:

[(1, 1399456968), (2, 699728484), (3, 466485656), (4, 349864242), (6, 233242828), (7, 199922424), (8, 174932121), (12, 116621414), (13, 107650536), (14, 99961212), (21, 66640808), (24, 58310707), (26, 53825268), (28, 49980606), (39, 35883512), (42, 33320404), (52, 26912634), (56, 24990303), (78, 17941756), (84, 16660202), (91, 15378648), (104, 13456317), (156, 8970878), (168, 8330101), (182, 7689324), (273, 5126216), (312, 4485439), (364, 3844662), (546, 2563108), (728, 1922331), (1092, 1281554), (2184, 640777)]