66840318

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{86357}}^1$

素因数の和:86408

約数の個数: 24

約数和(自身を含む): 148190328

約数和(自身を除く): 81350010

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 86357, 172714, 259071, 518142, 777213, 1554426, 3713351, 7426702, 11140053, 22280106, 33420159, 66840318]

約数ペア:

[(1, 66840318), (2, 33420159), (3, 22280106), (6, 11140053), (9, 7426702), (18, 3713351), (43, 1554426), (86, 777213), (129, 518142), (258, 259071), (387, 172714), (774, 86357)]