1648387

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:222

約数の個数: 16

約数和(自身を含む): 1915200

約数和(自身を除く): 266813

約数列:

[1, 13, 23, 37, 149, 299, 481, 851, 1937, 3427, 5513, 11063, 44551, 71669, 126799, 1648387]

約数ペア:

[(1, 1648387), (13, 126799), (23, 71669), (37, 44551), (149, 11063), (299, 5513), (481, 3427), (851, 1937)]