28664878081

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1867}}^1\times {\mathrm{2029}}^1$

素因数の和:3973

約数の個数: 32

約数和(自身を含む): 34947440640

約数和(自身を除く): 6282562559

約数列:

[1, 7, 23, 47, 161, 329, 1081, 1867, 2029, 7567, 13069, 14203, 42941, 46667, 87749, 95363, 300587, 326669, 614243, 667541, 2018227, 2193349, 3788143, 14127589, 15353443, 26517001, 87127289, 178042721, 609891023, 1246299047, 4094982583, 28664878081]

約数ペア:

[(1, 28664878081), (7, 4094982583), (23, 1246299047), (47, 609891023), (161, 178042721), (329, 87127289), (1081, 26517001), (1867, 15353443), (2029, 14127589), (7567, 3788143), (13069, 2193349), (14203, 2018227), (42941, 667541), (46667, 614243), (87749, 326669), (95363, 300587)]