219778858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{10271}}^1$

素因数の和:11109

約数の個数: 16

約数和(自身を含む): 355493376

約数和(自身を除く): 135714518

約数列:

[1, 2, 13, 26, 823, 1646, 10271, 10699, 20542, 21398, 133523, 267046, 8453033, 16906066, 109889429, 219778858]

約数ペア:

[(1, 219778858), (2, 109889429), (13, 16906066), (26, 8453033), (823, 267046), (1646, 133523), (10271, 21398), (10699, 20542)]