90305278

素因数分解:

$2^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{21011}}^1$

素因数の和:21327

約数の個数: 16

約数和(自身を含む): 155320704

約数和(自身を除く): 65015426

約数列:

[1, 2, 7, 14, 307, 614, 2149, 4298, 21011, 42022, 147077, 294154, 6450377, 12900754, 45152639, 90305278]

約数ペア:

[(1, 90305278), (2, 45152639), (7, 12900754), (14, 6450377), (307, 294154), (614, 147077), (2149, 42022), (4298, 21011)]