219962405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1453}}^1$

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 303385824

約数和(自身を除く): 83423419

約数列:

[1, 5, 13, 17, 65, 85, 137, 221, 685, 1105, 1453, 1781, 2329, 7265, 8905, 11645, 18889, 24701, 30277, 94445, 123505, 151385, 199061, 321113, 995305, 1605565, 2587793, 3384037, 12938965, 16920185, 43992481, 219962405]

約数ペア:

[(1, 219962405), (5, 43992481), (13, 16920185), (17, 12938965), (65, 3384037), (85, 2587793), (137, 1605565), (221, 995305), (685, 321113), (1105, 199061), (1453, 151385), (1781, 123505), (2329, 94445), (7265, 30277), (8905, 24701), (11645, 18889)]