9891115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8009}}^1$

素因数の和:8046

約数の個数: 16

約数和(自身を含む): 13456800

約数和(自身を除く): 3565685

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 8009, 40045, 104117, 152171, 520585, 760855, 1978223, 9891115]

約数ペア:

[(1, 9891115), (5, 1978223), (13, 760855), (19, 520585), (65, 152171), (95, 104117), (247, 40045), (1235, 8009)]