80712212

素因数分解:

$2^2\times 7^2\times {\mathrm{239}}^1\times {\mathrm{1723}}^1$

素因数の和:1980

約数の個数: 36

約数和(自身を含む): 165090240

約数和(自身を除く): 84378028

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 239, 478, 956, 1673, 1723, 3346, 3446, 6692, 6892, 11711, 12061, 23422, 24122, 46844, 48244, 84427, 168854, 337708, 411797, 823594, 1647188, 2882579, 5765158, 11530316, 20178053, 40356106, 80712212]

約数ペア:

[(1, 80712212), (2, 40356106), (4, 20178053), (7, 11530316), (14, 5765158), (28, 2882579), (49, 1647188), (98, 823594), (196, 411797), (239, 337708), (478, 168854), (956, 84427), (1673, 48244), (1723, 46844), (3346, 24122), (3446, 23422), (6692, 12061), (6892, 11711)]