128703828

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:813

約数の個数: 72

約数和(自身を含む): 333014976

約数和(自身を除く): 204311148

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 121, 132, 137, 242, 274, 363, 411, 484, 548, 647, 726, 822, 1294, 1452, 1507, 1644, 1941, 2588, 3014, 3882, 4521, 6028, 7117, 7764, 9042, 14234, 16577, 18084, 21351, 28468, 33154, 42702, 49731, 66308, 78287, 85404, 88639, 99462, 156574, 177278, 198924, 234861, 265917, 313148, 354556, 469722, 531834, 939444, 975029, 1063668, 1950058, 2925087, 3900116, 5850174, 10725319, 11700348, 21450638, 32175957, 42901276, 64351914, 128703828]

約数ペア:

[(1, 128703828), (2, 64351914), (3, 42901276), (4, 32175957), (6, 21450638), (11, 11700348), (12, 10725319), (22, 5850174), (33, 3900116), (44, 2925087), (66, 1950058), (121, 1063668), (132, 975029), (137, 939444), (242, 531834), (274, 469722), (363, 354556), (411, 313148), (484, 265917), (548, 234861), (647, 198924), (726, 177278), (822, 156574), (1294, 99462), (1452, 88639), (1507, 85404), (1644, 78287), (1941, 66308), (2588, 49731), (3014, 42702), (3882, 33154), (4521, 28468), (6028, 21351), (7117, 18084), (7764, 16577), (9042, 14234)]