28377310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218287}}^1$

素因数の和:218307

約数の個数: 16

約数和(自身を含む): 55008576

約数和(自身を除く): 26631266

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 218287, 436574, 1091435, 2182870, 2837731, 5675462, 14188655, 28377310]

約数ペア:

[(1, 28377310), (2, 14188655), (5, 5675462), (10, 2837731), (13, 2182870), (26, 1091435), (65, 436574), (130, 218287)]