667788290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{395141}}^1$

素因数の和:395174

約数の個数: 24

約数和(自身を含む): 1301597748

約数和(自身を除く): 633809458

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 395141, 790282, 1975705, 3951410, 5136833, 10273666, 25684165, 51368330, 66778829, 133557658, 333894145, 667788290]

約数ペア:

[(1, 667788290), (2, 333894145), (5, 133557658), (10, 66778829), (13, 51368330), (26, 25684165), (65, 10273666), (130, 5136833), (169, 3951410), (338, 1975705), (845, 790282), (1690, 395141)]