201521288

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{354791}}^1$

素因数の和:354868

約数の個数: 16

約数和(自身を含む): 383175360

約数和(自身を除く): 181654072

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 354791, 709582, 1419164, 2838328, 25190161, 50380322, 100760644, 201521288]

約数ペア:

[(1, 201521288), (2, 100760644), (4, 50380322), (8, 25190161), (71, 2838328), (142, 1419164), (284, 709582), (568, 354791)]