28722490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151171}}^1$

素因数の和:151197

約数の個数: 16

約数和(自身を含む): 54421920

約数和(自身を除く): 25699430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 151171, 302342, 755855, 1511710, 2872249, 5744498, 14361245, 28722490]

約数ペア:

[(1, 28722490), (2, 14361245), (5, 5744498), (10, 2872249), (19, 1511710), (38, 755855), (95, 302342), (190, 151171)]