28426321

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2293}}^1$

素因数の和:2341

約数の個数: 24

約数和(自身を含む): 37658304

約数和(自身を除く): 9231983

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 2293, 12397, 16051, 25223, 52739, 112357, 176561, 369173, 580129, 1235927, 2584211, 4060903, 28426321]

約数ペア:

[(1, 28426321), (7, 4060903), (11, 2584211), (23, 1235927), (49, 580129), (77, 369173), (161, 176561), (253, 112357), (539, 52739), (1127, 25223), (1771, 16051), (2293, 12397)]