9990485

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1021}}^1$

素因数の和:1148

約数の個数: 16

約数和(自身を含む): 12754560

約数和(自身を除く): 2764075

約数列:

[1, 5, 19, 95, 103, 515, 1021, 1957, 5105, 9785, 19399, 96995, 105163, 525815, 1998097, 9990485]

約数ペア:

[(1, 9990485), (5, 1998097), (19, 525815), (95, 105163), (103, 96995), (515, 19399), (1021, 9785), (1957, 5105)]