721420256

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{549863}}^1$

素因数の和:549914

約数の個数: 24

約数和(自身を含む): 1454940144

約数和(自身を除く): 733519888

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 549863, 1099726, 2199452, 4398904, 8797808, 17595616, 22544383, 45088766, 90177532, 180355064, 360710128, 721420256]

約数ペア:

[(1, 721420256), (2, 360710128), (4, 180355064), (8, 90177532), (16, 45088766), (32, 22544383), (41, 17595616), (82, 8797808), (164, 4398904), (328, 2199452), (656, 1099726), (1312, 549863)]