78421938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 185213952

約数和(自身を除く): 106792014

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 173, 251, 258, 301, 346, 502, 519, 602, 753, 903, 1038, 1211, 1506, 1757, 1806, 2422, 3514, 3633, 5271, 7266, 7439, 10542, 10793, 14878, 21586, 22317, 32379, 43423, 44634, 52073, 64758, 75551, 86846, 104146, 130269, 151102, 156219, 226653, 260538, 303961, 312438, 453306, 607922, 911883, 1823766, 1867189, 3734378, 5601567, 11203134, 13070323, 26140646, 39210969, 78421938]

約数ペア:

[(1, 78421938), (2, 39210969), (3, 26140646), (6, 13070323), (7, 11203134), (14, 5601567), (21, 3734378), (42, 1867189), (43, 1823766), (86, 911883), (129, 607922), (173, 453306), (251, 312438), (258, 303961), (301, 260538), (346, 226653), (502, 156219), (519, 151102), (602, 130269), (753, 104146), (903, 86846), (1038, 75551), (1211, 64758), (1506, 52073), (1757, 44634), (1806, 43423), (2422, 32379), (3514, 22317), (3633, 21586), (5271, 14878), (7266, 10793), (7439, 10542)]