12499851

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 21654528

約数和(自身を除く): 9154677

約数列:

[1, 3, 7, 13, 21, 31, 39, 49, 91, 93, 147, 211, 217, 273, 403, 633, 637, 651, 1209, 1477, 1519, 1911, 2743, 2821, 4431, 4557, 6541, 8229, 8463, 10339, 19201, 19623, 19747, 31017, 45787, 57603, 59241, 85033, 134407, 137361, 255099, 320509, 403221, 595231, 961527, 1785693, 4166617, 12499851]

約数ペア:

[(1, 12499851), (3, 4166617), (7, 1785693), (13, 961527), (21, 595231), (31, 403221), (39, 320509), (49, 255099), (91, 137361), (93, 134407), (147, 85033), (211, 59241), (217, 57603), (273, 45787), (403, 31017), (633, 19747), (637, 19623), (651, 19201), (1209, 10339), (1477, 8463), (1519, 8229), (1911, 6541), (2743, 4557), (2821, 4431)]