201681319

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2377}}^1$

素因数の和:2455

約数の個数: 32

約数和(自身を含む): 262987776

約数和(自身を除く): 61306457

約数列:

[1, 7, 17, 23, 31, 119, 161, 217, 391, 527, 713, 2377, 2737, 3689, 4991, 12121, 16639, 40409, 54671, 73687, 84847, 282863, 382697, 515809, 929407, 1252679, 1694801, 6505849, 8768753, 11863607, 28811617, 201681319]

約数ペア:

[(1, 201681319), (7, 28811617), (17, 11863607), (23, 8768753), (31, 6505849), (119, 1694801), (161, 1252679), (217, 929407), (391, 515809), (527, 382697), (713, 282863), (2377, 84847), (2737, 73687), (3689, 54671), (4991, 40409), (12121, 16639)]