66921890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20341}}^1$

素因数の和:20402

約数の個数: 32

約数和(自身を含む): 140603904

約数和(自身を除く): 73682014

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 20341, 40682, 101705, 142387, 203410, 284774, 711935, 956027, 1423870, 1912054, 4780135, 6692189, 9560270, 13384378, 33460945, 66921890]

約数ペア:

[(1, 66921890), (2, 33460945), (5, 13384378), (7, 9560270), (10, 6692189), (14, 4780135), (35, 1912054), (47, 1423870), (70, 956027), (94, 711935), (235, 284774), (329, 203410), (470, 142387), (658, 101705), (1645, 40682), (3290, 20341)]