71091472

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{27259}}^1$

素因数の和:27430

約数の個数: 20

約数和(自身を含む): 138589840

約数和(自身を除く): 67498368

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 27259, 54518, 109036, 218072, 436144, 4443217, 8886434, 17772868, 35545736, 71091472]

約数ペア:

[(1, 71091472), (2, 35545736), (4, 17772868), (8, 8886434), (16, 4443217), (163, 436144), (326, 218072), (652, 109036), (1304, 54518), (2608, 27259)]