665619266

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{129953}}^1$

素因数の和:130165

約数の個数: 16

約数和(自身を含む): 1080697464

約数和(自身を除く): 415078198

約数列:

[1, 2, 13, 26, 197, 394, 2561, 5122, 129953, 259906, 1689389, 3378778, 25600741, 51201482, 332809633, 665619266]

約数ペア:

[(1, 665619266), (2, 332809633), (13, 51201482), (26, 25600741), (197, 3378778), (394, 1689389), (2561, 259906), (5122, 129953)]