490864478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{2731}}^1$

素因数の和:3000

約数の個数: 32

約数和(自身を含む): 822484992

約数和(自身を除く): 331620514

約数列:

[1, 2, 13, 26, 31, 62, 223, 403, 446, 806, 2731, 2899, 5462, 5798, 6913, 13826, 35503, 71006, 84661, 89869, 169322, 179738, 609013, 1100593, 1218026, 2201186, 7917169, 15834338, 18879403, 37758806, 245432239, 490864478]

約数ペア:

[(1, 490864478), (2, 245432239), (13, 37758806), (26, 18879403), (31, 15834338), (62, 7917169), (223, 2201186), (403, 1218026), (446, 1100593), (806, 609013), (2731, 179738), (2899, 169322), (5462, 89869), (5798, 84661), (6913, 71006), (13826, 35503)]