1639589021

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{725161}}^1$

素因数の和:725204

約数の個数: 16

約数和(自身を含む): 2088466560

約数和(自身を除く): 448877539

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 725161, 5076127, 12327737, 13778059, 86294159, 96446413, 234227003, 1639589021]

約数ペア:

[(1, 1639589021), (7, 234227003), (17, 96446413), (19, 86294159), (119, 13778059), (133, 12327737), (323, 5076127), (2261, 725161)]