28341872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1531}}^1$

素因数の和:1641

約数の個数: 40

約数和(自身を含む): 59839920

約数和(自身を除く): 31498048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1157, 1424, 1531, 2314, 3062, 4628, 6124, 9256, 12248, 18512, 19903, 24496, 39806, 79612, 136259, 159224, 272518, 318448, 545036, 1090072, 1771367, 2180144, 3542734, 7085468, 14170936, 28341872]

約数ペア:

[(1, 28341872), (2, 14170936), (4, 7085468), (8, 3542734), (13, 2180144), (16, 1771367), (26, 1090072), (52, 545036), (89, 318448), (104, 272518), (178, 159224), (208, 136259), (356, 79612), (712, 39806), (1157, 24496), (1424, 19903), (1531, 18512), (2314, 12248), (3062, 9256), (4628, 6124)]