17519690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{401}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 33603984

約数和(自身を除く): 16084294

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 257, 401, 514, 802, 1285, 2005, 2570, 4010, 4369, 6817, 8738, 13634, 21845, 34085, 43690, 68170, 103057, 206114, 515285, 1030570, 1751969, 3503938, 8759845, 17519690]

約数ペア:

[(1, 17519690), (2, 8759845), (5, 3503938), (10, 1751969), (17, 1030570), (34, 515285), (85, 206114), (170, 103057), (257, 68170), (401, 43690), (514, 34085), (802, 21845), (1285, 13634), (2005, 8738), (2570, 6817), (4010, 4369)]