13287652

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 28385280

約数和(自身を除く): 15097628

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 47, 92, 94, 161, 188, 322, 329, 439, 644, 658, 878, 1081, 1316, 1756, 2162, 3073, 4324, 6146, 7567, 10097, 12292, 15134, 20194, 20633, 30268, 40388, 41266, 70679, 82532, 141358, 144431, 282716, 288862, 474559, 577724, 949118, 1898236, 3321913, 6643826, 13287652]

約数ペア:

[(1, 13287652), (2, 6643826), (4, 3321913), (7, 1898236), (14, 949118), (23, 577724), (28, 474559), (46, 288862), (47, 282716), (92, 144431), (94, 141358), (161, 82532), (188, 70679), (322, 41266), (329, 40388), (439, 30268), (644, 20633), (658, 20194), (878, 15134), (1081, 12292), (1316, 10097), (1756, 7567), (2162, 6146), (3073, 4324)]