156981000464

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{160841189}}^1$

素因数の和:160841258

約数の個数: 20

約数和(自身を含む): 309136767180

約数和(自身を除く): 152155766716

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 160841189, 321682378, 643364756, 1286729512, 2573459024, 9811312529, 19622625058, 39245250116, 78490500232, 156981000464]

約数ペア:

[(1, 156981000464), (2, 78490500232), (4, 39245250116), (8, 19622625058), (16, 9811312529), (61, 2573459024), (122, 1286729512), (244, 643364756), (488, 321682378), (976, 160841189)]