261538199

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{2273}}^1$

素因数の和:2506

約数の個数: 16

約数和(自身を含む): 288816192

約数和(自身を除く): 27277993

約数列:

[1, 13, 53, 167, 689, 2171, 2273, 8851, 29549, 115063, 120469, 379591, 1566097, 4934683, 20118323, 261538199]

約数ペア:

[(1, 261538199), (13, 20118323), (53, 4934683), (167, 1566097), (689, 379591), (2171, 120469), (2273, 115063), (8851, 29549)]