220184419

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 280433664

約数和(自身を除く): 60249245

約数列:

[1, 7, 13, 53, 71, 91, 371, 497, 643, 689, 923, 3763, 4501, 4823, 6461, 8359, 26341, 34079, 45653, 48919, 58513, 238553, 319571, 342433, 443027, 593489, 2419609, 3101189, 4154423, 16937263, 31454917, 220184419]

約数ペア:

[(1, 220184419), (7, 31454917), (13, 16937263), (53, 4154423), (71, 3101189), (91, 2419609), (371, 593489), (497, 443027), (643, 342433), (689, 319571), (923, 238553), (3763, 58513), (4501, 48919), (4823, 45653), (6461, 34079), (8359, 26341)]