12561388

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2971}}^1$

素因数の和:3133

約数の個数: 24

約数和(自身を含む): 25297664

約数和(自身を除く): 12736276

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 2971, 4228, 5942, 11884, 20797, 41594, 83188, 448621, 897242, 1794484, 3140347, 6280694, 12561388]

約数ペア:

[(1, 12561388), (2, 6280694), (4, 3140347), (7, 1794484), (14, 897242), (28, 448621), (151, 83188), (302, 41594), (604, 20797), (1057, 11884), (2114, 5942), (2971, 4228)]