278621282

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{120199}}^1$

素因数の和:120281

約数の個数: 16

約数和(自身を含む): 447144000

約数和(自身を除く): 168522718

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 120199, 240398, 2283781, 4567562, 7332139, 14664278, 139310641, 278621282]

約数ペア:

[(1, 278621282), (2, 139310641), (19, 14664278), (38, 7332139), (61, 4567562), (122, 2283781), (1159, 240398), (2318, 120199)]