64816995815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3541}}^1\times {\mathrm{25601}}^1$

素因数の和:29171

約数の個数: 32

約数和(自身を含む): 91407742272

約数和(自身を除く): 26590746457

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 3541, 17705, 25601, 38951, 46033, 128005, 194755, 230165, 281611, 332813, 506363, 1408055, 1664065, 2531815, 3660943, 18304715, 90653141, 453265705, 997184551, 1178490833, 4985922755, 5892454165, 12963399163, 64816995815]

約数ペア:

[(1, 64816995815), (5, 12963399163), (11, 5892454165), (13, 4985922755), (55, 1178490833), (65, 997184551), (143, 453265705), (715, 90653141), (3541, 18304715), (17705, 3660943), (25601, 2531815), (38951, 1664065), (46033, 1408055), (128005, 506363), (194755, 332813), (230165, 281611)]