218976775

素因数分解:

$5^2\times {\mathrm{1601}}^1\times {\mathrm{5471}}^1$

素因数の和:7082

約数の個数: 12

約数和(自身を含む): 271750464

約数和(自身を除く): 52773689

約数列:

[1, 5, 25, 1601, 5471, 8005, 27355, 40025, 136775, 8759071, 43795355, 218976775]

約数ペア:

[(1, 218976775), (5, 43795355), (25, 8759071), (1601, 136775), (5471, 40025), (8005, 27355)]