81823490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{4657}}^1$

素因数の和:4922

約数の個数: 32

約数和(自身を含む): 169029504

約数和(自身を除く): 87206014

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1255, 1757, 2510, 3514, 4657, 8785, 9314, 17570, 23285, 32599, 46570, 65198, 162995, 325990, 1168907, 2337814, 5844535, 8182349, 11689070, 16364698, 40911745, 81823490]

約数ペア:

[(1, 81823490), (2, 40911745), (5, 16364698), (7, 11689070), (10, 8182349), (14, 5844535), (35, 2337814), (70, 1168907), (251, 325990), (502, 162995), (1255, 65198), (1757, 46570), (2510, 32599), (3514, 23285), (4657, 17570), (8785, 9314)]