201660656

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{340643}}^1$

素因数の和:340688

約数の個数: 20

約数和(自身を含む): 401278632

約数和(自身を除く): 199617976

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 340643, 681286, 1362572, 2725144, 5450288, 12603791, 25207582, 50415164, 100830328, 201660656]

約数ペア:

[(1, 201660656), (2, 100830328), (4, 50415164), (8, 25207582), (16, 12603791), (37, 5450288), (74, 2725144), (148, 1362572), (296, 681286), (592, 340643)]