155640016

素因数分解:

$2^4\times 7^1\times {\mathrm{1389643}}^1$

素因数の和:1389658

約数の個数: 20

約数和(自身を含む): 344631712

約数和(自身を除く): 188991696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1389643, 2779286, 5558572, 9727501, 11117144, 19455002, 22234288, 38910004, 77820008, 155640016]

約数ペア:

[(1, 155640016), (2, 77820008), (4, 38910004), (7, 22234288), (8, 19455002), (14, 11117144), (16, 9727501), (28, 5558572), (56, 2779286), (112, 1389643)]