131881808

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{155521}}^1$

素因数の和:155582

約数の個数: 20

約数和(自身を含む): 260343828

約数和(自身を除く): 128462020

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 155521, 311042, 622084, 1244168, 2488336, 8242613, 16485226, 32970452, 65940904, 131881808]

約数ペア:

[(1, 131881808), (2, 65940904), (4, 32970452), (8, 16485226), (16, 8242613), (53, 2488336), (106, 1244168), (212, 622084), (424, 311042), (848, 155521)]