81121222

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23459}}^1$

素因数の和:23500

約数の個数: 32

約数和(自身を含む): 157651200

約数和(自身を除く): 76529978

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 23459, 46918, 164213, 304967, 328426, 445721, 609934, 891442, 2134769, 3120047, 4269538, 5794373, 6240094, 11588746, 40560611, 81121222]

約数ペア:

[(1, 81121222), (2, 40560611), (7, 11588746), (13, 6240094), (14, 5794373), (19, 4269538), (26, 3120047), (38, 2134769), (91, 891442), (133, 609934), (182, 445721), (247, 328426), (266, 304967), (494, 164213), (1729, 46918), (3458, 23459)]