1639296728

素因数分解:

$2^3\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{5689}}^1$

素因数の和:6075

約数の個数: 32

約数和(自身を含む): 3106740000

約数和(自身を除く): 1467443272

約数列:

[1, 2, 4, 8, 181, 199, 362, 398, 724, 796, 1448, 1592, 5689, 11378, 22756, 36019, 45512, 72038, 144076, 288152, 1029709, 1132111, 2059418, 2264222, 4118836, 4528444, 8237672, 9056888, 204912091, 409824182, 819648364, 1639296728]

約数ペア:

[(1, 1639296728), (2, 819648364), (4, 409824182), (8, 204912091), (181, 9056888), (199, 8237672), (362, 4528444), (398, 4118836), (724, 2264222), (796, 2059418), (1448, 1132111), (1592, 1029709), (5689, 288152), (11378, 144076), (22756, 72038), (36019, 45512)]