201138838

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 320292000

約数和(自身を除く): 119153162

約数列:

[1, 2, 29, 58, 61, 122, 139, 278, 409, 818, 1769, 3538, 4031, 8062, 8479, 11861, 16958, 23722, 24949, 49898, 56851, 113702, 245891, 491782, 723521, 1447042, 1648679, 3297358, 3467911, 6935822, 100569419, 201138838]

約数ペア:

[(1, 201138838), (2, 100569419), (29, 6935822), (58, 3467911), (61, 3297358), (122, 1648679), (139, 1447042), (278, 723521), (409, 491782), (818, 245891), (1769, 113702), (3538, 56851), (4031, 49898), (8062, 24949), (8479, 23722), (11861, 16958)]