99987839

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{1489}}^1$

素因数の和:1730

約数の個数: 16

約数和(自身を含む): 117149760

約数和(自身を除く): 17161921

約数列:

[1, 7, 53, 181, 371, 1267, 1489, 9593, 10423, 67151, 78917, 269509, 552419, 1886563, 14283977, 99987839]

約数ペア:

[(1, 99987839), (7, 14283977), (53, 1886563), (181, 552419), (371, 269509), (1267, 78917), (1489, 67151), (9593, 10423)]