12745888

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 26278560

約数和(自身を除く): 13532672

約数列:

[1, 2, 4, 8, 16, 32, 43, 59, 86, 118, 157, 172, 236, 314, 344, 472, 628, 688, 944, 1256, 1376, 1888, 2512, 2537, 5024, 5074, 6751, 9263, 10148, 13502, 18526, 20296, 27004, 37052, 40592, 54008, 74104, 81184, 108016, 148208, 216032, 296416, 398309, 796618, 1593236, 3186472, 6372944, 12745888]

約数ペア:

[(1, 12745888), (2, 6372944), (4, 3186472), (8, 1593236), (16, 796618), (32, 398309), (43, 296416), (59, 216032), (86, 148208), (118, 108016), (157, 81184), (172, 74104), (236, 54008), (314, 40592), (344, 37052), (472, 27004), (628, 20296), (688, 18526), (944, 13502), (1256, 10148), (1376, 9263), (1888, 6751), (2512, 5074), (2537, 5024)]