1639694406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{3989}}^1\times {\mathrm{9787}}^1$

素因数の和:13788

約数の個数: 32

約数和(自身を含む): 3749195520

約数和(自身を除く): 2109501114

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 3989, 7978, 9787, 11967, 19574, 23934, 27923, 29361, 55846, 58722, 68509, 83769, 137018, 167538, 205527, 411054, 39040343, 78080686, 117121029, 234242058, 273282401, 546564802, 819847203, 1639694406]

約数ペア:

[(1, 1639694406), (2, 819847203), (3, 546564802), (6, 273282401), (7, 234242058), (14, 117121029), (21, 78080686), (42, 39040343), (3989, 411054), (7978, 205527), (9787, 167538), (11967, 137018), (19574, 83769), (23934, 68509), (27923, 58722), (29361, 55846)]