25698305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 8516095

約数列:

[1, 5, 17, 43, 79, 85, 89, 215, 395, 445, 731, 1343, 1513, 3397, 3655, 3827, 6715, 7031, 7565, 16985, 19135, 35155, 57749, 65059, 119527, 288745, 302333, 325295, 597635, 1511665, 5139661, 25698305]

約数ペア:

[(1, 25698305), (5, 5139661), (17, 1511665), (43, 597635), (79, 325295), (85, 302333), (89, 288745), (215, 119527), (395, 65059), (445, 57749), (731, 35155), (1343, 19135), (1513, 16985), (3397, 7565), (3655, 7031), (3827, 6715)]