201620419

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10601}}^1$

素因数の和:10651

約数の個数: 32

約数和(自身を含む): 284981760

約数和(自身を除く): 83361341

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 1001, 1463, 1729, 2717, 10601, 19019, 74207, 116611, 137813, 201419, 816277, 964691, 1409933, 1515943, 2215609, 2618447, 10611601, 15509263, 18329129, 28802917, 201620419]

約数ペア:

[(1, 201620419), (7, 28802917), (11, 18329129), (13, 15509263), (19, 10611601), (77, 2618447), (91, 2215609), (133, 1515943), (143, 1409933), (209, 964691), (247, 816277), (1001, 201419), (1463, 137813), (1729, 116611), (2717, 74207), (10601, 19019)]