251255368

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4861}}^1$

素因数の和:4958

約数の個数: 64

約数和(自身を含む): 588107520

約数和(自身を除く): 336852152

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 71, 91, 104, 142, 182, 284, 364, 497, 568, 728, 923, 994, 1846, 1988, 3692, 3976, 4861, 6461, 7384, 9722, 12922, 19444, 25844, 34027, 38888, 51688, 63193, 68054, 126386, 136108, 252772, 272216, 345131, 442351, 505544, 690262, 884702, 1380524, 1769404, 2415917, 2761048, 3538808, 4486703, 4831834, 8973406, 9663668, 17946812, 19327336, 31406921, 35893624, 62813842, 125627684, 251255368]

約数ペア:

[(1, 251255368), (2, 125627684), (4, 62813842), (7, 35893624), (8, 31406921), (13, 19327336), (14, 17946812), (26, 9663668), (28, 8973406), (52, 4831834), (56, 4486703), (71, 3538808), (91, 2761048), (104, 2415917), (142, 1769404), (182, 1380524), (284, 884702), (364, 690262), (497, 505544), (568, 442351), (728, 345131), (923, 272216), (994, 252772), (1846, 136108), (1988, 126386), (3692, 68054), (3976, 63193), (4861, 51688), (6461, 38888), (7384, 34027), (9722, 25844), (12922, 19444)]