28764218

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{347}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 51314688

約数和(自身を除く): 22550470

約数列:

[1, 2, 7, 14, 31, 62, 191, 217, 347, 382, 434, 694, 1337, 2429, 2674, 4858, 5921, 10757, 11842, 21514, 41447, 66277, 75299, 82894, 132554, 150598, 463939, 927878, 2054587, 4109174, 14382109, 28764218]

約数ペア:

[(1, 28764218), (2, 14382109), (7, 4109174), (14, 2054587), (31, 927878), (62, 463939), (191, 150598), (217, 132554), (347, 82894), (382, 75299), (434, 66277), (694, 41447), (1337, 21514), (2429, 11842), (2674, 10757), (4858, 5921)]