28256432

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{19843}}^1$

素因数の和:19940

約数の個数: 20

約数和(自身を含む): 55364760

約数和(自身を除く): 27108328

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 19843, 39686, 79372, 158744, 317488, 1766027, 3532054, 7064108, 14128216, 28256432]

約数ペア:

[(1, 28256432), (2, 14128216), (4, 7064108), (8, 3532054), (16, 1766027), (89, 317488), (178, 158744), (356, 79372), (712, 39686), (1424, 19843)]