12557216

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:997

約数の個数: 48

約数和(自身を含む): 28748160

約数和(自身を除く): 16190944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 244, 427, 488, 854, 919, 976, 1708, 1838, 1952, 3416, 3676, 6433, 6832, 7352, 12866, 13664, 14704, 25732, 29408, 51464, 56059, 102928, 112118, 205856, 224236, 392413, 448472, 784826, 896944, 1569652, 1793888, 3139304, 6278608, 12557216]

約数ペア:

[(1, 12557216), (2, 6278608), (4, 3139304), (7, 1793888), (8, 1569652), (14, 896944), (16, 784826), (28, 448472), (32, 392413), (56, 224236), (61, 205856), (112, 112118), (122, 102928), (224, 56059), (244, 51464), (427, 29408), (488, 25732), (854, 14704), (919, 13664), (976, 12866), (1708, 7352), (1838, 6832), (1952, 6433), (3416, 3676)]