290534398

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{977}}^1\times {\mathrm{1931}}^1$

素因数の和:2928

約数の個数: 32

約数和(自身を含む): 544174848

約数和(自身を除く): 253640450

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 977, 1931, 1954, 3862, 6839, 10747, 13517, 13678, 21241, 21494, 27034, 42482, 75229, 148687, 150458, 297374, 1886587, 3773174, 13206109, 20752457, 26412218, 41504914, 145267199, 290534398]

約数ペア:

[(1, 290534398), (2, 145267199), (7, 41504914), (11, 26412218), (14, 20752457), (22, 13206109), (77, 3773174), (154, 1886587), (977, 297374), (1931, 150458), (1954, 148687), (3862, 75229), (6839, 42482), (10747, 27034), (13517, 21494), (13678, 21241)]