247788007415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{121139}}^1\times {\mathrm{31469}}^1$

素因数の和:152626

約数の個数: 16

約数和(自身を含む): 320231167200

約数和(自身を除く): 72443159785

約数列:

[1, 5, 13, 65, 31469, 121139, 157345, 409097, 605695, 1574807, 2045485, 7874035, 3812123191, 19060615955, 49557601483, 247788007415]

約数ペア:

[(1, 247788007415), (5, 49557601483), (13, 19060615955), (65, 3812123191), (31469, 7874035), (121139, 2045485), (157345, 1574807), (409097, 605695)]