81245616

素因数分解:

$2^4\times 3^1\times {\mathrm{157}}^1\times {\mathrm{10781}}^1$

素因数の和:10949

約数の個数: 40

約数和(自身を含む): 211240944

約数和(自身を除く): 129995328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 157, 314, 471, 628, 942, 1256, 1884, 2512, 3768, 7536, 10781, 21562, 32343, 43124, 64686, 86248, 129372, 172496, 258744, 517488, 1692617, 3385234, 5077851, 6770468, 10155702, 13540936, 20311404, 27081872, 40622808, 81245616]

約数ペア:

[(1, 81245616), (2, 40622808), (3, 27081872), (4, 20311404), (6, 13540936), (8, 10155702), (12, 6770468), (16, 5077851), (24, 3385234), (48, 1692617), (157, 517488), (314, 258744), (471, 172496), (628, 129372), (942, 86248), (1256, 64686), (1884, 43124), (2512, 32343), (3768, 21562), (7536, 10781)]