156631456

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1279}}^1$

素因数の和:1421

約数の個数: 48

約数和(自身を含む): 319334400

約数和(自身を除く): 162702944

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 89, 172, 178, 344, 356, 688, 712, 1279, 1376, 1424, 2558, 2848, 3827, 5116, 7654, 10232, 15308, 20464, 30616, 40928, 54997, 61232, 109994, 113831, 122464, 219988, 227662, 439976, 455324, 879952, 910648, 1759904, 1821296, 3642592, 4894733, 9789466, 19578932, 39157864, 78315728, 156631456]

約数ペア:

[(1, 156631456), (2, 78315728), (4, 39157864), (8, 19578932), (16, 9789466), (32, 4894733), (43, 3642592), (86, 1821296), (89, 1759904), (172, 910648), (178, 879952), (344, 455324), (356, 439976), (688, 227662), (712, 219988), (1279, 122464), (1376, 113831), (1424, 109994), (2558, 61232), (2848, 54997), (3827, 40928), (5116, 30616), (7654, 20464), (10232, 15308)]