12818312

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 27450000

約数和(自身を除く): 14631688

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 169, 247, 338, 494, 499, 676, 988, 998, 1352, 1976, 1996, 3211, 3992, 6422, 6487, 9481, 12844, 12974, 18962, 25688, 25948, 37924, 51896, 75848, 84331, 123253, 168662, 246506, 337324, 493012, 674648, 986024, 1602289, 3204578, 6409156, 12818312]

約数ペア:

[(1, 12818312), (2, 6409156), (4, 3204578), (8, 1602289), (13, 986024), (19, 674648), (26, 493012), (38, 337324), (52, 246506), (76, 168662), (104, 123253), (152, 84331), (169, 75848), (247, 51896), (338, 37924), (494, 25948), (499, 25688), (676, 18962), (988, 12974), (998, 12844), (1352, 9481), (1976, 6487), (1996, 6422), (3211, 3992)]