397454

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 16

約数和(自身を含む): 632016

約数和(自身を除く): 234562

約数列:

[1, 2, 37, 41, 74, 82, 131, 262, 1517, 3034, 4847, 5371, 9694, 10742, 198727, 397454]

約数ペア:

[(1, 397454), (2, 198727), (37, 10742), (41, 9694), (74, 5371), (82, 4847), (131, 3034), (262, 1517)]