209856868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{48623}}^1$

素因数の和:48723

約数の個数: 24

約数和(自身を含む): 400272768

約数和(自身を除く): 190415900

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 48623, 97246, 194492, 632099, 1264198, 2528396, 4035709, 8071418, 16142836, 52464217, 104928434, 209856868]

約数ペア:

[(1, 209856868), (2, 104928434), (4, 52464217), (13, 16142836), (26, 8071418), (52, 4035709), (83, 2528396), (166, 1264198), (332, 632099), (1079, 194492), (2158, 97246), (4316, 48623)]