1490290417

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{187907}}^1$

素因数の和:188028

約数の個数: 16

約数和(自身を含む): 1876073472

約数和(自身を除く): 385783055

約数列:

[1, 7, 11, 77, 103, 721, 1133, 7931, 187907, 1315349, 2066977, 14468839, 19354421, 135480947, 212898631, 1490290417]

約数ペア:

[(1, 1490290417), (7, 212898631), (11, 135480947), (77, 19354421), (103, 14468839), (721, 2066977), (1133, 1315349), (7931, 187907)]