66647828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{14401}}^1$

素因数の和:14507

約数の個数: 24

約数和(自身を含む): 127025640

約数和(自身を除く): 60377812

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 14401, 28802, 57604, 187213, 374426, 748852, 1281689, 2563378, 5126756, 16661957, 33323914, 66647828]

約数ペア:

[(1, 66647828), (2, 33323914), (4, 16661957), (13, 5126756), (26, 2563378), (52, 1281689), (89, 748852), (178, 374426), (356, 187213), (1157, 57604), (2314, 28802), (4628, 14401)]