131848784

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{200989}}^1$

素因数の和:201038

約数の個数: 20

約数和(自身を含む): 261688980

約数和(自身を除く): 129840196

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 200989, 401978, 803956, 1607912, 3215824, 8240549, 16481098, 32962196, 65924392, 131848784]

約数ペア:

[(1, 131848784), (2, 65924392), (4, 32962196), (8, 16481098), (16, 8240549), (41, 3215824), (82, 1607912), (164, 803956), (328, 401978), (656, 200989)]