28296710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217667}}^1$

素因数の和:217687

約数の個数: 16

約数和(自身を含む): 54852336

約数和(自身を除く): 26555626

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 217667, 435334, 1088335, 2176670, 2829671, 5659342, 14148355, 28296710]

約数ペア:

[(1, 28296710), (2, 14148355), (5, 5659342), (10, 2829671), (13, 2176670), (26, 1088335), (65, 435334), (130, 217667)]