66721808

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{143797}}^1$

素因数の和:143834

約数の個数: 20

約数和(自身を含む): 133732140

約数和(自身を除く): 67010332

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 143797, 287594, 575188, 1150376, 2300752, 4170113, 8340226, 16680452, 33360904, 66721808]

約数ペア:

[(1, 66721808), (2, 33360904), (4, 16680452), (8, 8340226), (16, 4170113), (29, 2300752), (58, 1150376), (116, 575188), (232, 287594), (464, 143797)]