66989728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{161033}}^1$

素因数の和:161056

約数の個数: 24

約数和(自身を含む): 142031988

約数和(自身を除く): 75042260

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 161033, 322066, 644132, 1288264, 2093429, 2576528, 4186858, 5153056, 8373716, 16747432, 33494864, 66989728]

約数ペア:

[(1, 66989728), (2, 33494864), (4, 16747432), (8, 8373716), (13, 5153056), (16, 4186858), (26, 2576528), (32, 2093429), (52, 1288264), (104, 644132), (208, 322066), (416, 161033)]