128659856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{1723}}^1$

素因数の和:2103

約数の個数: 40

約数和(自身を含む): 269357760

約数和(自身を除く): 140697904

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 359, 718, 1436, 1723, 2872, 3446, 4667, 5744, 6892, 9334, 13784, 18668, 22399, 27568, 37336, 44798, 74672, 89596, 179192, 358384, 618557, 1237114, 2474228, 4948456, 8041241, 9896912, 16082482, 32164964, 64329928, 128659856]

約数ペア:

[(1, 128659856), (2, 64329928), (4, 32164964), (8, 16082482), (13, 9896912), (16, 8041241), (26, 4948456), (52, 2474228), (104, 1237114), (208, 618557), (359, 358384), (718, 179192), (1436, 89596), (1723, 74672), (2872, 44798), (3446, 37336), (4667, 27568), (5744, 22399), (6892, 18668), (9334, 13784)]