201040208

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{405323}}^1$

素因数の和:405362

約数の個数: 20

約数和(自身を含む): 402081408

約数和(自身を除く): 201041200

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 405323, 810646, 1621292, 3242584, 6485168, 12565013, 25130026, 50260052, 100520104, 201040208]

約数ペア:

[(1, 201040208), (2, 100520104), (4, 50260052), (8, 25130026), (16, 12565013), (31, 6485168), (62, 3242584), (124, 1621292), (248, 810646), (496, 405323)]