12345256

素因数分解:

$2^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 29520000

約数和(自身を除く): 17174744

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 343, 392, 409, 539, 616, 686, 818, 1078, 1372, 1636, 2156, 2744, 2863, 3272, 3773, 4312, 4499, 5726, 7546, 8998, 11452, 15092, 17996, 20041, 22904, 30184, 31493, 35992, 40082, 62986, 80164, 125972, 140287, 160328, 220451, 251944, 280574, 440902, 561148, 881804, 1122296, 1543157, 1763608, 3086314, 6172628, 12345256]

約数ペア:

[(1, 12345256), (2, 6172628), (4, 3086314), (7, 1763608), (8, 1543157), (11, 1122296), (14, 881804), (22, 561148), (28, 440902), (44, 280574), (49, 251944), (56, 220451), (77, 160328), (88, 140287), (98, 125972), (154, 80164), (196, 62986), (308, 40082), (343, 35992), (392, 31493), (409, 30184), (539, 22904), (616, 20041), (686, 17996), (818, 15092), (1078, 11452), (1372, 8998), (1636, 7546), (2156, 5726), (2744, 4499), (2863, 4312), (3272, 3773)]