28108175

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 35945616

約数和(自身を除く): 7837441

約数列:

[1, 5, 25, 67, 97, 173, 335, 485, 865, 1675, 2425, 4325, 6499, 11591, 16781, 32495, 57955, 83905, 162475, 289775, 419525, 1124327, 5621635, 28108175]

約数ペア:

[(1, 28108175), (5, 5621635), (25, 1124327), (67, 419525), (97, 289775), (173, 162475), (335, 83905), (485, 57955), (865, 32495), (1675, 16781), (2425, 11591), (4325, 6499)]