9902638

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:519

約数の個数: 16

約数和(自身を含む): 15120000

約数和(自身を除く): 5217362

約数列:

[1, 2, 139, 179, 199, 278, 358, 398, 24881, 27661, 35621, 49762, 55322, 71242, 4951319, 9902638]

約数ペア:

[(1, 9902638), (2, 4951319), (139, 71242), (179, 55322), (199, 49762), (278, 35621), (358, 27661), (398, 24881)]