781988116

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{3109}}^1$

素因数の和:3824

約数の個数: 48

約数和(自身を含む): 1687262080

約数和(自身を除く): 905273964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 691, 1382, 2764, 3109, 4837, 6218, 8983, 9674, 12436, 17966, 19348, 21763, 35932, 40417, 43526, 62881, 80834, 87052, 125762, 161668, 251524, 282919, 565838, 1131676, 2148319, 4296638, 8593276, 15038233, 27928147, 30076466, 55856294, 60152932, 111712588, 195497029, 390994058, 781988116]

約数ペア:

[(1, 781988116), (2, 390994058), (4, 195497029), (7, 111712588), (13, 60152932), (14, 55856294), (26, 30076466), (28, 27928147), (52, 15038233), (91, 8593276), (182, 4296638), (364, 2148319), (691, 1131676), (1382, 565838), (2764, 282919), (3109, 251524), (4837, 161668), (6218, 125762), (8983, 87052), (9674, 80834), (12436, 62881), (17966, 43526), (19348, 40417), (21763, 35932)]