16631810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4127}}^1$

素因数の和:4178

約数の個数: 32

約数和(自身を含む): 33288192

約数和(自身を除く): 16656382

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4127, 8254, 20635, 41270, 53651, 107302, 127937, 255874, 268255, 536510, 639685, 1279370, 1663181, 3326362, 8315905, 16631810]

約数ペア:

[(1, 16631810), (2, 8315905), (5, 3326362), (10, 1663181), (13, 1279370), (26, 639685), (31, 536510), (62, 268255), (65, 255874), (130, 127937), (155, 107302), (310, 53651), (403, 41270), (806, 20635), (2015, 8254), (4030, 4127)]