81901974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6113}}^1$

素因数の和:6165

約数の個数: 64

約数和(自身を含む): 211299840

約数和(自身を除く): 129397866

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 29, 33, 42, 58, 66, 77, 87, 154, 174, 203, 231, 319, 406, 462, 609, 638, 957, 1218, 1914, 2233, 4466, 6113, 6699, 12226, 13398, 18339, 36678, 42791, 67243, 85582, 128373, 134486, 177277, 201729, 256746, 354554, 403458, 470701, 531831, 941402, 1063662, 1240939, 1412103, 1950047, 2481878, 2824206, 3722817, 3900094, 5850141, 7445634, 11700282, 13650329, 27300658, 40950987, 81901974]

約数ペア:

[(1, 81901974), (2, 40950987), (3, 27300658), (6, 13650329), (7, 11700282), (11, 7445634), (14, 5850141), (21, 3900094), (22, 3722817), (29, 2824206), (33, 2481878), (42, 1950047), (58, 1412103), (66, 1240939), (77, 1063662), (87, 941402), (154, 531831), (174, 470701), (203, 403458), (231, 354554), (319, 256746), (406, 201729), (462, 177277), (609, 134486), (638, 128373), (957, 85582), (1218, 67243), (1914, 42791), (2233, 36678), (4466, 18339), (6113, 13398), (6699, 12226)]