138915678

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{1223}}^1\times {\mathrm{1721}}^1$

素因数の和:2960

約数の個数: 32

約数和(自身を含む): 303512832

約数和(自身を除く): 164597154

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 1223, 1721, 2446, 3442, 3669, 5163, 7338, 10326, 13453, 18931, 26906, 37862, 40359, 56793, 80718, 113586, 2104783, 4209566, 6314349, 12628698, 23152613, 46305226, 69457839, 138915678]

約数ペア:

[(1, 138915678), (2, 69457839), (3, 46305226), (6, 23152613), (11, 12628698), (22, 6314349), (33, 4209566), (66, 2104783), (1223, 113586), (1721, 80718), (2446, 56793), (3442, 40359), (3669, 37862), (5163, 26906), (7338, 18931), (10326, 13453)]