28195856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{479}}^1$

素因数の和:783

約数の個数: 40

約数和(自身を含む): 59162880

約数和(自身を除く): 30967024

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 283, 479, 566, 958, 1132, 1916, 2264, 3679, 3832, 4528, 6227, 7358, 7664, 12454, 14716, 24908, 29432, 49816, 58864, 99632, 135557, 271114, 542228, 1084456, 1762241, 2168912, 3524482, 7048964, 14097928, 28195856]

約数ペア:

[(1, 28195856), (2, 14097928), (4, 7048964), (8, 3524482), (13, 2168912), (16, 1762241), (26, 1084456), (52, 542228), (104, 271114), (208, 135557), (283, 99632), (479, 58864), (566, 49816), (958, 29432), (1132, 24908), (1916, 14716), (2264, 12454), (3679, 7664), (3832, 7358), (4528, 6227)]