199698889

素因数分解:

${\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{787}}^1$

素因数の和:1080

約数の個数: 16

約数和(自身を含む): 218433600

約数和(自身を除く): 18734711

約数列:

[1, 13, 131, 149, 787, 1703, 1937, 10231, 19519, 103097, 117263, 253747, 1340261, 1524419, 15361453, 199698889]

約数ペア:

[(1, 199698889), (13, 15361453), (131, 1524419), (149, 1340261), (787, 253747), (1703, 117263), (1937, 103097), (10231, 19519)]