216996856

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{253501}}^1$

素因数の和:253614

約数の個数: 16

約数和(自身を含む): 410673240

約数和(自身を除く): 193676384

約数列:

[1, 2, 4, 8, 107, 214, 428, 856, 253501, 507002, 1014004, 2028008, 27124607, 54249214, 108498428, 216996856]

約数ペア:

[(1, 216996856), (2, 108498428), (4, 54249214), (8, 27124607), (107, 2028008), (214, 1014004), (428, 507002), (856, 253501)]