212912312

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{65071}}^1$

素因数の和:65486

約数の個数: 16

約数和(自身を含む): 400192800

約数和(自身を除く): 187280488

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 65071, 130142, 260284, 520568, 26614039, 53228078, 106456156, 212912312]

約数ペア:

[(1, 212912312), (2, 106456156), (4, 53228078), (8, 26614039), (409, 520568), (818, 260284), (1636, 130142), (3272, 65071)]