520090246

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{2689}}^1$

素因数の和:2920

約数の個数: 32

約数和(自身を含む): 864974880

約数和(自身を除く): 344884634

約数列:

[1, 2, 13, 26, 43, 86, 173, 346, 559, 1118, 2249, 2689, 4498, 5378, 7439, 14878, 34957, 69914, 96707, 115627, 193414, 231254, 465197, 930394, 1503151, 3006302, 6047561, 12095122, 20003471, 40006942, 260045123, 520090246]

約数ペア:

[(1, 520090246), (2, 260045123), (13, 40006942), (26, 20003471), (43, 12095122), (86, 6047561), (173, 3006302), (346, 1503151), (559, 930394), (1118, 465197), (2249, 231254), (2689, 193414), (4498, 115627), (5378, 96707), (7439, 69914), (14878, 34957)]