81568994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{136403}}^1$

素因数の和:136441

約数の個数: 16

約数和(自身を含む): 137495232

約数和(自身を除く): 55926238

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 136403, 272806, 1773239, 3137269, 3546478, 6274538, 40784497, 81568994]

約数ペア:

[(1, 81568994), (2, 40784497), (13, 6274538), (23, 3546478), (26, 3137269), (46, 1773239), (299, 272806), (598, 136403)]