89439371

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{643}}^1$

素因数の和:1322

約数の個数: 16

約数和(自身を含む): 105842688

約数和(自身を除く): 16403317

約数列:

[1, 7, 31, 217, 641, 643, 4487, 4501, 19871, 19933, 139097, 139531, 412163, 2885141, 12777053, 89439371]

約数ペア:

[(1, 89439371), (7, 12777053), (31, 2885141), (217, 412163), (641, 139531), (643, 139097), (4487, 19933), (4501, 19871)]