25636624

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:552

約数の個数: 60

約数和(自身を含む): 56730000

約数和(自身を除く): 31093376

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 169, 208, 247, 304, 338, 494, 499, 676, 988, 998, 1352, 1976, 1996, 2704, 3211, 3952, 3992, 6422, 6487, 7984, 9481, 12844, 12974, 18962, 25688, 25948, 37924, 51376, 51896, 75848, 84331, 103792, 123253, 151696, 168662, 246506, 337324, 493012, 674648, 986024, 1349296, 1602289, 1972048, 3204578, 6409156, 12818312, 25636624]

約数ペア:

[(1, 25636624), (2, 12818312), (4, 6409156), (8, 3204578), (13, 1972048), (16, 1602289), (19, 1349296), (26, 986024), (38, 674648), (52, 493012), (76, 337324), (104, 246506), (152, 168662), (169, 151696), (208, 123253), (247, 103792), (304, 84331), (338, 75848), (494, 51896), (499, 51376), (676, 37924), (988, 25948), (998, 25688), (1352, 18962), (1976, 12974), (1996, 12844), (2704, 9481), (3211, 7984), (3952, 6487), (3992, 6422)]