205945145

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1459}}^1$

素因数の和:1617

約数の個数: 32

約数和(自身を含む): 292934400

約数和(自身を除く): 86989255

約数列:

[1, 5, 7, 35, 37, 109, 185, 259, 545, 763, 1295, 1459, 3815, 4033, 7295, 10213, 20165, 28231, 51065, 53983, 141155, 159031, 269915, 377881, 795155, 1113217, 1889405, 5566085, 5884147, 29420735, 41189029, 205945145]

約数ペア:

[(1, 205945145), (5, 41189029), (7, 29420735), (35, 5884147), (37, 5566085), (109, 1889405), (185, 1113217), (259, 795155), (545, 377881), (763, 269915), (1295, 159031), (1459, 141155), (3815, 53983), (4033, 51065), (7295, 28231), (10213, 20165)]