17990623

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{853}}^1$

素因数の和:1014

約数の個数: 16

約数和(自身を含む): 21643776

約数和(自身を除く): 3653153

約数列:

[1, 7, 23, 131, 161, 853, 917, 3013, 5971, 19619, 21091, 111743, 137333, 782201, 2570089, 17990623]

約数ペア:

[(1, 17990623), (7, 2570089), (23, 782201), (131, 137333), (161, 111743), (853, 21091), (917, 19619), (3013, 5971)]