1640257624

素因数分解:

$2^3\times {\mathrm{419}}^1\times {\mathrm{489337}}^1$

素因数の和:489762

約数の個数: 16

約数和(自身を含む): 3082829400

約数和(自身を除く): 1442571776

約数列:

[1, 2, 4, 8, 419, 838, 1676, 3352, 489337, 978674, 1957348, 3914696, 205032203, 410064406, 820128812, 1640257624]

約数ペア:

[(1, 1640257624), (2, 820128812), (4, 410064406), (8, 205032203), (419, 3914696), (838, 1957348), (1676, 978674), (3352, 489337)]