1290848

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 2857680

約数和(自身を除く): 1566832

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 104, 107, 116, 208, 214, 232, 377, 416, 428, 464, 754, 856, 928, 1391, 1508, 1712, 2782, 3016, 3103, 3424, 5564, 6032, 6206, 11128, 12064, 12412, 22256, 24824, 40339, 44512, 49648, 80678, 99296, 161356, 322712, 645424, 1290848]

約数ペア:

[(1, 1290848), (2, 645424), (4, 322712), (8, 161356), (13, 99296), (16, 80678), (26, 49648), (29, 44512), (32, 40339), (52, 24824), (58, 22256), (104, 12412), (107, 12064), (116, 11128), (208, 6206), (214, 6032), (232, 5564), (377, 3424), (416, 3103), (428, 3016), (464, 2782), (754, 1712), (856, 1508), (928, 1391)]