787540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{233}}^1$

素因数の和:268

約数の個数: 36

約数和(自身を含む): 1798524

約数和(自身を除く): 1010984

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 233, 260, 338, 466, 676, 845, 932, 1165, 1690, 2330, 3029, 3380, 4660, 6058, 12116, 15145, 30290, 39377, 60580, 78754, 157508, 196885, 393770, 787540]

約数ペア:

[(1, 787540), (2, 393770), (4, 196885), (5, 157508), (10, 78754), (13, 60580), (20, 39377), (26, 30290), (52, 15145), (65, 12116), (130, 6058), (169, 4660), (233, 3380), (260, 3029), (338, 2330), (466, 1690), (676, 1165), (845, 932)]