31011372

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1129}}^1$

素因数の和:1255

約数の個数: 72

約数和(自身を含む): 90490400

約数和(自身を除く): 59479028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 109, 126, 218, 252, 327, 436, 654, 763, 981, 1129, 1308, 1526, 1962, 2258, 2289, 3052, 3387, 3924, 4516, 4578, 6774, 6867, 7903, 9156, 10161, 13548, 13734, 15806, 20322, 23709, 27468, 31612, 40644, 47418, 71127, 94836, 123061, 142254, 246122, 284508, 369183, 492244, 738366, 861427, 1107549, 1476732, 1722854, 2215098, 2584281, 3445708, 4430196, 5168562, 7752843, 10337124, 15505686, 31011372]

約数ペア:

[(1, 31011372), (2, 15505686), (3, 10337124), (4, 7752843), (6, 5168562), (7, 4430196), (9, 3445708), (12, 2584281), (14, 2215098), (18, 1722854), (21, 1476732), (28, 1107549), (36, 861427), (42, 738366), (63, 492244), (84, 369183), (109, 284508), (126, 246122), (218, 142254), (252, 123061), (327, 94836), (436, 71127), (654, 47418), (763, 40644), (981, 31612), (1129, 27468), (1308, 23709), (1526, 20322), (1962, 15806), (2258, 13734), (2289, 13548), (3052, 10161), (3387, 9156), (3924, 7903), (4516, 6867), (4578, 6774)]