2821478

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:244

約数の個数: 24

約数和(自身を含む): 4740120

約数和(自身を除く): 1918642

約数列:

[1, 2, 11, 22, 89, 121, 131, 178, 242, 262, 979, 1441, 1958, 2882, 10769, 11659, 15851, 21538, 23318, 31702, 128249, 256498, 1410739, 2821478]

約数ペア:

[(1, 2821478), (2, 1410739), (11, 256498), (22, 128249), (89, 31702), (121, 23318), (131, 21538), (178, 15851), (242, 11659), (262, 10769), (979, 2882), (1441, 1958)]