521303315

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^2\times {\mathrm{367}}^1$

素因数の和:480

約数の個数: 36

約数和(自身を含む): 696202272

約数和(自身を除く): 174898957

約数列:

[1, 5, 13, 41, 65, 169, 205, 367, 533, 845, 1681, 1835, 2665, 4771, 6929, 8405, 15047, 21853, 23855, 34645, 62023, 75235, 109265, 195611, 284089, 310115, 616927, 978055, 1420445, 2542943, 3084635, 8020051, 12714715, 40100255, 104260663, 521303315]

約数ペア:

[(1, 521303315), (5, 104260663), (13, 40100255), (41, 12714715), (65, 8020051), (169, 3084635), (205, 2542943), (367, 1420445), (533, 978055), (845, 616927), (1681, 310115), (1835, 284089), (2665, 195611), (4771, 109265), (6929, 75235), (8405, 62023), (15047, 34645), (21853, 23855)]