31608656

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:651

約数の個数: 40

約数和(自身を含む): 63612000

約数和(自身を除く): 32003344

約数列:

[1, 2, 4, 8, 16, 37, 74, 107, 148, 214, 296, 428, 499, 592, 856, 998, 1712, 1996, 3959, 3992, 7918, 7984, 15836, 18463, 31672, 36926, 53393, 63344, 73852, 106786, 147704, 213572, 295408, 427144, 854288, 1975541, 3951082, 7902164, 15804328, 31608656]

約数ペア:

[(1, 31608656), (2, 15804328), (4, 7902164), (8, 3951082), (16, 1975541), (37, 854288), (74, 427144), (107, 295408), (148, 213572), (214, 147704), (296, 106786), (428, 73852), (499, 63344), (592, 53393), (856, 36926), (998, 31672), (1712, 18463), (1996, 15836), (3959, 7984), (3992, 7918)]