663952

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{2441}}^1$

素因数の和:2466

約数の個数: 20

約数和(自身を含む): 1362636

約数和(自身を除く): 698684

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 2441, 4882, 9764, 19528, 39056, 41497, 82994, 165988, 331976, 663952]

約数ペア:

[(1, 663952), (2, 331976), (4, 165988), (8, 82994), (16, 41497), (17, 39056), (34, 19528), (68, 9764), (136, 4882), (272, 2441)]