81721346

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{14929}}^1$

素因数の和:14978

約数の個数: 32

約数和(自身を含む): 154794240

約数和(自身を除く): 73072894

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 119, 161, 238, 322, 391, 782, 2737, 5474, 14929, 29858, 104503, 209006, 253793, 343367, 507586, 686734, 1776551, 2403569, 3553102, 4807138, 5837239, 11674478, 40860673, 81721346]

約数ペア:

[(1, 81721346), (2, 40860673), (7, 11674478), (14, 5837239), (17, 4807138), (23, 3553102), (34, 2403569), (46, 1776551), (119, 686734), (161, 507586), (238, 343367), (322, 253793), (391, 209006), (782, 104503), (2737, 29858), (5474, 14929)]