220478552

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{171179}}^1$

素因数の和:171215

約数の個数: 32

約数和(自身を含む): 492998400

約数和(自身を除く): 272519848

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 171179, 342358, 684716, 1198253, 1369432, 2396506, 3937117, 4793012, 7874234, 9586024, 15748468, 27559819, 31496936, 55119638, 110239276, 220478552]

約数ペア:

[(1, 220478552), (2, 110239276), (4, 55119638), (7, 31496936), (8, 27559819), (14, 15748468), (23, 9586024), (28, 7874234), (46, 4793012), (56, 3937117), (92, 2396506), (161, 1369432), (184, 1198253), (322, 684716), (644, 342358), (1288, 171179)]