28878362

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{1423}}^1$

素因数の和:1637

約数の個数: 16

約数和(自身を含む): 44257920

約数和(自身を除く): 15379558

約数列:

[1, 2, 73, 139, 146, 278, 1423, 2846, 10147, 20294, 103879, 197797, 207758, 395594, 14439181, 28878362]

約数ペア:

[(1, 28878362), (2, 14439181), (73, 395594), (139, 207758), (146, 197797), (278, 103879), (1423, 20294), (2846, 10147)]