401433232

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{37957}}^1$

素因数の和:38626

約数の個数: 20

約数和(自身を含む): 778974076

約数和(自身を除く): 377540844

約数列:

[1, 2, 4, 8, 16, 661, 1322, 2644, 5288, 10576, 37957, 75914, 151828, 303656, 607312, 25089577, 50179154, 100358308, 200716616, 401433232]

約数ペア:

[(1, 401433232), (2, 200716616), (4, 100358308), (8, 50179154), (16, 25089577), (661, 607312), (1322, 303656), (2644, 151828), (5288, 75914), (10576, 37957)]