28180316

素因数分解:

$2^2\times {\mathrm{173}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 50093904

約数和(自身を除く): 21913588

約数列:

[1, 2, 4, 173, 193, 211, 346, 386, 422, 692, 772, 844, 33389, 36503, 40723, 66778, 73006, 81446, 133556, 146012, 162892, 7045079, 14090158, 28180316]

約数ペア:

[(1, 28180316), (2, 14090158), (4, 7045079), (173, 162892), (193, 146012), (211, 133556), (346, 81446), (386, 73006), (422, 66778), (692, 40723), (772, 36503), (844, 33389)]