81715326

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2131}}^1$

素因数の和:2237

約数の個数: 64

約数和(自身を含む): 206309376

約数和(自身を除く): 124594050

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 83, 154, 166, 231, 249, 462, 498, 581, 913, 1162, 1743, 1826, 2131, 2739, 3486, 4262, 5478, 6391, 6393, 12782, 12786, 14917, 19173, 23441, 29834, 38346, 44751, 46882, 70323, 89502, 140646, 164087, 176873, 328174, 353746, 492261, 530619, 984522, 1061238, 1238111, 1945603, 2476222, 3714333, 3891206, 5836809, 7428666, 11673618, 13619221, 27238442, 40857663, 81715326]

約数ペア:

[(1, 81715326), (2, 40857663), (3, 27238442), (6, 13619221), (7, 11673618), (11, 7428666), (14, 5836809), (21, 3891206), (22, 3714333), (33, 2476222), (42, 1945603), (66, 1238111), (77, 1061238), (83, 984522), (154, 530619), (166, 492261), (231, 353746), (249, 328174), (462, 176873), (498, 164087), (581, 140646), (913, 89502), (1162, 70323), (1743, 46882), (1826, 44751), (2131, 38346), (2739, 29834), (3486, 23441), (4262, 19173), (5478, 14917), (6391, 12786), (6393, 12782)]