16880455

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1297}}^1$

素因数の和:1458

約数の個数: 16

約数和(自身を含む): 21494880

約数和(自身を除く): 4614425

約数列:

[1, 5, 19, 95, 137, 685, 1297, 2603, 6485, 13015, 24643, 123215, 177689, 888445, 3376091, 16880455]

約数ペア:

[(1, 16880455), (5, 3376091), (19, 888445), (95, 177689), (137, 123215), (685, 24643), (1297, 13015), (2603, 6485)]