1667216

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{1319}}^1$

素因数の和:1406

約数の個数: 20

約数和(自身を含む): 3273600

約数和(自身を除く): 1606384

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 1319, 2638, 5276, 10552, 21104, 104201, 208402, 416804, 833608, 1667216]

約数ペア:

[(1, 1667216), (2, 833608), (4, 416804), (8, 208402), (16, 104201), (79, 21104), (158, 10552), (316, 5276), (632, 2638), (1264, 1319)]