311105015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{12241}}^1$

素因数の和:12299

約数の個数: 32

約数和(自身を含む): 444237696

約数和(自身を除く): 133132681

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 1105, 1495, 1955, 5083, 12241, 25415, 61205, 159133, 208097, 281543, 795665, 1040485, 1407715, 2705261, 3660059, 4786231, 13526305, 18300295, 23931155, 62221003, 311105015]

約数ペア:

[(1, 311105015), (5, 62221003), (13, 23931155), (17, 18300295), (23, 13526305), (65, 4786231), (85, 3660059), (115, 2705261), (221, 1407715), (299, 1040485), (391, 795665), (1105, 281543), (1495, 208097), (1955, 159133), (5083, 61205), (12241, 25415)]