1640576072

素因数分解:

$2^3\times {\mathrm{307}}^1\times {\mathrm{667987}}^1$

素因数の和:668300

約数の個数: 16

約数和(自身を含む): 3086104560

約数和(自身を除く): 1445528488

約数列:

[1, 2, 4, 8, 307, 614, 1228, 2456, 667987, 1335974, 2671948, 5343896, 205072009, 410144018, 820288036, 1640576072]

約数ペア:

[(1, 1640576072), (2, 820288036), (4, 410144018), (8, 205072009), (307, 5343896), (614, 2671948), (1228, 1335974), (2456, 667987)]