84880405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 112137696

約数和(自身を除く): 27257291

約数列:

[1, 5, 17, 37, 85, 137, 185, 197, 629, 685, 985, 2329, 3145, 3349, 5069, 7289, 11645, 16745, 25345, 26989, 36445, 86173, 123913, 134945, 430865, 458813, 619565, 998593, 2294065, 4992965, 16976081, 84880405]

約数ペア:

[(1, 84880405), (5, 16976081), (17, 4992965), (37, 2294065), (85, 998593), (137, 619565), (185, 458813), (197, 430865), (629, 134945), (685, 123913), (985, 86173), (2329, 36445), (3145, 26989), (3349, 25345), (5069, 16745), (7289, 11645)]