67821416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1549}}^1$

素因数の和:1989

約数の個数: 32

約数和(自身を含む): 137361000

約数和(自身を除く): 69539584

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 421, 842, 1549, 1684, 3098, 3368, 5473, 6196, 10946, 12392, 20137, 21892, 40274, 43784, 80548, 161096, 652129, 1304258, 2608516, 5217032, 8477677, 16955354, 33910708, 67821416]

約数ペア:

[(1, 67821416), (2, 33910708), (4, 16955354), (8, 8477677), (13, 5217032), (26, 2608516), (52, 1304258), (104, 652129), (421, 161096), (842, 80548), (1549, 43784), (1684, 40274), (3098, 21892), (3368, 20137), (5473, 12392), (6196, 10946)]