81851978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{108557}}^1$

素因数の和:108601

約数の個数: 16

約数和(自身を含む): 136783080

約数和(自身を除く): 54931102

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 108557, 217114, 1411241, 2822482, 3148153, 6296306, 40925989, 81851978]

約数ペア:

[(1, 81851978), (2, 40925989), (13, 6296306), (26, 3148153), (29, 2822482), (58, 1411241), (377, 217114), (754, 108557)]