40055554

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{8969}}^1$

素因数の和:9018

約数の個数: 32

約数和(自身を含む): 77500800

約数和(自身を除く): 37445246

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 319, 406, 638, 2233, 4466, 8969, 17938, 62783, 98659, 125566, 197318, 260101, 520202, 690613, 1381226, 1820707, 2861111, 3641414, 5722222, 20027777, 40055554]

約数ペア:

[(1, 40055554), (2, 20027777), (7, 5722222), (11, 3641414), (14, 2861111), (22, 1820707), (29, 1381226), (58, 690613), (77, 520202), (154, 260101), (203, 197318), (319, 125566), (406, 98659), (638, 62783), (2233, 17938), (4466, 8969)]