1280490118

素因数分解:

$2^1\times {\mathrm{503}}^1\times {\mathrm{569}}^1\times {\mathrm{2237}}^1$

素因数の和:3311

約数の個数: 16

約数和(自身を含む): 1928797920

約数和(自身を除く): 648307802

約数列:

[1, 2, 503, 569, 1006, 1138, 2237, 4474, 286207, 572414, 1125211, 1272853, 2250422, 2545706, 640245059, 1280490118]

約数ペア:

[(1, 1280490118), (2, 640245059), (503, 2545706), (569, 2250422), (1006, 1272853), (1138, 1125211), (2237, 572414), (4474, 286207)]