438420138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^3\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 964185600

約数和(自身を除く): 525765462

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 158, 169, 237, 338, 421, 474, 507, 842, 1014, 1027, 1263, 2054, 2197, 2526, 3081, 4394, 5473, 6162, 6591, 10946, 13182, 13351, 16419, 26702, 32838, 33259, 40053, 66518, 71149, 80106, 99777, 142298, 173563, 199554, 213447, 347126, 426894, 432367, 520689, 864734, 924937, 1041378, 1297101, 1849874, 2594202, 2774811, 5549622, 5620771, 11241542, 16862313, 33724626, 73070023, 146140046, 219210069, 438420138]

約数ペア:

[(1, 438420138), (2, 219210069), (3, 146140046), (6, 73070023), (13, 33724626), (26, 16862313), (39, 11241542), (78, 5620771), (79, 5549622), (158, 2774811), (169, 2594202), (237, 1849874), (338, 1297101), (421, 1041378), (474, 924937), (507, 864734), (842, 520689), (1014, 432367), (1027, 426894), (1263, 347126), (2054, 213447), (2197, 199554), (2526, 173563), (3081, 142298), (4394, 99777), (5473, 80106), (6162, 71149), (6591, 66518), (10946, 40053), (13182, 33259), (13351, 32838), (16419, 26702)]