81218758

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1\times {\mathrm{3457}}^1$

素因数の和:4167

約数の個数: 16

約数和(自身を含む): 129218544

約数和(自身を除く): 47999786

約数列:

[1, 2, 17, 34, 691, 1382, 3457, 6914, 11747, 23494, 58769, 117538, 2388787, 4777574, 40609379, 81218758]

約数ペア:

[(1, 81218758), (2, 40609379), (17, 4777574), (34, 2388787), (691, 117538), (1382, 58769), (3457, 23494), (6914, 11747)]