12720378

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5209}}^1$

素因数の和:5262

約数の個数: 32

約数和(自身を含む): 28509120

約数和(自身を除く): 15788742

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 5209, 10418, 15627, 31254, 57299, 114598, 171897, 192733, 343794, 385466, 578199, 1156398, 2120063, 4240126, 6360189, 12720378]

約数ペア:

[(1, 12720378), (2, 6360189), (3, 4240126), (6, 2120063), (11, 1156398), (22, 578199), (33, 385466), (37, 343794), (66, 192733), (74, 171897), (111, 114598), (222, 57299), (407, 31254), (814, 15627), (1221, 10418), (2442, 5209)]