121498989905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{1916539}}^1$

素因数の和:1916984

約数の個数: 16

約数和(自身を含む): 150870028800

約数和(自身を除く): 29371038895

約数列:

[1, 5, 31, 155, 409, 2045, 12679, 63395, 1916539, 9582695, 59412709, 297063545, 783864451, 3919322255, 24299797981, 121498989905]

約数ペア:

[(1, 121498989905), (5, 24299797981), (31, 3919322255), (155, 783864451), (409, 297063545), (2045, 59412709), (12679, 9582695), (63395, 1916539)]