261274796

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{8087}}^1$

素因数の和:8329

約数の個数: 24

約数和(自身を含む): 470818656

約数和(自身を除く): 209543860

約数列:

[1, 2, 4, 41, 82, 164, 197, 394, 788, 8077, 8087, 16154, 16174, 32308, 32348, 331567, 663134, 1326268, 1593139, 3186278, 6372556, 65318699, 130637398, 261274796]

約数ペア:

[(1, 261274796), (2, 130637398), (4, 65318699), (41, 6372556), (82, 3186278), (164, 1593139), (197, 1326268), (394, 663134), (788, 331567), (8077, 32348), (8087, 32308), (16154, 16174)]