2051222312

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{76561}}^1$

素因数の和:76781

約数の個数: 32

約数和(自身を含む): 4093004520

約数和(自身を除く): 2041782208

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 197, 394, 788, 1576, 3349, 6698, 13396, 26792, 76561, 153122, 306244, 612488, 1301537, 2603074, 5206148, 10412296, 15082517, 30165034, 60330068, 120660136, 256402789, 512805578, 1025611156, 2051222312]

約数ペア:

[(1, 2051222312), (2, 1025611156), (4, 512805578), (8, 256402789), (17, 120660136), (34, 60330068), (68, 30165034), (136, 15082517), (197, 10412296), (394, 5206148), (788, 2603074), (1576, 1301537), (3349, 612488), (6698, 306244), (13396, 153122), (26792, 76561)]