30891969218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{19777189}}^1$

素因数の和:19777273

約数の個数: 16

約数和(自身を含む): 51262476480

約数和(自身を除く): 20370507262

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 19777189, 39554378, 217549079, 435098158, 1404180419, 2808360838, 15445984609, 30891969218]

約数ペア:

[(1, 30891969218), (2, 15445984609), (11, 2808360838), (22, 1404180419), (71, 435098158), (142, 217549079), (781, 39554378), (1562, 19777189)]