81339718

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{6473}}^1$

素因数の和:6639

約数の個数: 16

約数和(自身を含む): 125233056

約数和(自身を除く): 43893338

約数列:

[1, 2, 61, 103, 122, 206, 6283, 6473, 12566, 12946, 394853, 666719, 789706, 1333438, 40669859, 81339718]

約数ペア:

[(1, 81339718), (2, 40669859), (61, 1333438), (103, 789706), (122, 666719), (206, 394853), (6283, 12946), (6473, 12566)]