172820223602

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{390995981}}^1$

素因数の和:390996013

約数の個数: 16

約数和(自身を含む): 295592962392

約数和(自身を除く): 122772738790

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 390995981, 781991962, 5082947753, 6646931677, 10165895506, 13293863354, 86410111801, 172820223602]

約数ペア:

[(1, 172820223602), (2, 86410111801), (13, 13293863354), (17, 10165895506), (26, 6646931677), (34, 5082947753), (221, 781991962), (442, 390995981)]