99511990

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{54979}}^1$

素因数の和:55167

約数の個数: 16

約数和(自身を含む): 180114480

約数和(自身を除く): 80602490

約数列:

[1, 2, 5, 10, 181, 362, 905, 1810, 54979, 109958, 274895, 549790, 9951199, 19902398, 49755995, 99511990]

約数ペア:

[(1, 99511990), (2, 49755995), (5, 19902398), (10, 9951199), (181, 549790), (362, 274895), (905, 109958), (1810, 54979)]