8139978

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{839}}^1$

素因数の和:872

約数の個数: 72

約数和(自身を含む): 22407840

約数和(自身を除く): 14267862

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 98, 99, 126, 147, 154, 198, 231, 294, 441, 462, 539, 693, 839, 882, 1078, 1386, 1617, 1678, 2517, 3234, 4851, 5034, 5873, 7551, 9229, 9702, 11746, 15102, 17619, 18458, 27687, 35238, 41111, 52857, 55374, 64603, 82222, 83061, 105714, 123333, 129206, 166122, 193809, 246666, 369999, 387618, 452221, 581427, 739998, 904442, 1162854, 1356663, 2713326, 4069989, 8139978]

約数ペア:

[(1, 8139978), (2, 4069989), (3, 2713326), (6, 1356663), (7, 1162854), (9, 904442), (11, 739998), (14, 581427), (18, 452221), (21, 387618), (22, 369999), (33, 246666), (42, 193809), (49, 166122), (63, 129206), (66, 123333), (77, 105714), (98, 83061), (99, 82222), (126, 64603), (147, 55374), (154, 52857), (198, 41111), (231, 35238), (294, 27687), (441, 18458), (462, 17619), (539, 15102), (693, 11746), (839, 9702), (882, 9229), (1078, 7551), (1386, 5873), (1617, 5034), (1678, 4851), (2517, 3234)]