66720694

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{21991}}^1$

素因数の和:22071

約数の個数: 16

約数和(自身を含む): 105297696

約数和(自身を除く): 38577002

約数列:

[1, 2, 37, 41, 74, 82, 1517, 3034, 21991, 43982, 813667, 901631, 1627334, 1803262, 33360347, 66720694]

約数ペア:

[(1, 66720694), (2, 33360347), (37, 1803262), (41, 1627334), (74, 901631), (82, 813667), (1517, 43982), (3034, 21991)]