2005121287

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{5021}}^1$

素因数の和:5203

約数の個数: 24

約数和(自身を含む): 2315945520

約数和(自身を除く): 310824233

約数列:

[1, 13, 17, 139, 169, 221, 1807, 2363, 2873, 5021, 23491, 30719, 65273, 85357, 399347, 697919, 848549, 1109641, 9072947, 11864623, 14425333, 117948311, 154240099, 2005121287]

約数ペア:

[(1, 2005121287), (13, 154240099), (17, 117948311), (139, 14425333), (169, 11864623), (221, 9072947), (1807, 1109641), (2363, 848549), (2873, 697919), (5021, 399347), (23491, 85357), (30719, 65273)]