1640783985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6434447}}^1$

素因数の和:6434472

約数の個数: 16

約数和(自身を含む): 2779681536

約数和(自身を除く): 1138897551

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 6434447, 19303341, 32172235, 96516705, 109385599, 328156797, 546927995, 1640783985]

約数ペア:

[(1, 1640783985), (3, 546927995), (5, 328156797), (15, 109385599), (17, 96516705), (51, 32172235), (85, 19303341), (255, 6434447)]