1815690136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{406013}}^1$

素因数の和:406075

約数の個数: 32

約数和(自身を含む): 3751569360

約数和(自身を除く): 1935879224

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 406013, 812026, 1624052, 3248104, 5278169, 10556338, 17458559, 21112676, 34917118, 42225352, 69834236, 139668472, 226961267, 453922534, 907845068, 1815690136]

約数ペア:

[(1, 1815690136), (2, 907845068), (4, 453922534), (8, 226961267), (13, 139668472), (26, 69834236), (43, 42225352), (52, 34917118), (86, 21112676), (104, 17458559), (172, 10556338), (344, 5278169), (559, 3248104), (1118, 1624052), (2236, 812026), (4472, 406013)]