989142008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{2131}}^1\times {\mathrm{3413}}^1$

素因数の和:5567

約数の個数: 32

約数和(自身を含む): 1965234960

約数和(自身を除く): 976092952

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 2131, 3413, 4262, 6826, 8524, 13652, 17048, 27304, 36227, 58021, 72454, 116042, 144908, 232084, 289816, 464168, 7273103, 14546206, 29092412, 58184824, 123642751, 247285502, 494571004, 989142008]

約数ペア:

[(1, 989142008), (2, 494571004), (4, 247285502), (8, 123642751), (17, 58184824), (34, 29092412), (68, 14546206), (136, 7273103), (2131, 464168), (3413, 289816), (4262, 232084), (6826, 144908), (8524, 116042), (13652, 72454), (17048, 58021), (27304, 36227)]