1971728642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{977}}^1\times {\mathrm{77621}}^1$

素因数の和:78613

約数の個数: 16

約数和(自身を含む): 3188401272

約数和(自身を除く): 1216672630

約数列:

[1, 2, 13, 26, 977, 1954, 12701, 25402, 77621, 155242, 1009073, 2018146, 75835717, 151671434, 985864321, 1971728642]

約数ペア:

[(1, 1971728642), (2, 985864321), (13, 151671434), (26, 75835717), (977, 2018146), (1954, 1009073), (12701, 155242), (25402, 77621)]