380640526

素因数分解:

$2^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{28351}}^1$

素因数の和:28504

約数の個数: 24

約数和(自身を含む): 669050496

約数和(自身を除く): 288409970

約数列:

[1, 2, 7, 14, 49, 98, 137, 274, 959, 1918, 6713, 13426, 28351, 56702, 198457, 396914, 1389199, 2778398, 3884087, 7768174, 27188609, 54377218, 190320263, 380640526]

約数ペア:

[(1, 380640526), (2, 190320263), (7, 54377218), (14, 27188609), (49, 7768174), (98, 3884087), (137, 2778398), (274, 1389199), (959, 396914), (1918, 198457), (6713, 56702), (13426, 28351)]