2155184801

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{3371}}^1$

素因数の和:3450

約数の個数: 48

約数和(自身を含む): 2960022528

約数和(自身を除く): 804837727

約数列:

[1, 7, 11, 19, 23, 77, 133, 161, 209, 253, 361, 437, 1463, 1771, 2527, 3059, 3371, 3971, 4807, 8303, 23597, 27797, 33649, 37081, 58121, 64049, 77533, 91333, 259567, 448343, 542731, 639331, 704539, 852863, 1216931, 1473127, 4931773, 5970041, 8518517, 10311889, 13386241, 16204397, 27989413, 93703687, 113430779, 195925891, 307883543, 2155184801]

約数ペア:

[(1, 2155184801), (7, 307883543), (11, 195925891), (19, 113430779), (23, 93703687), (77, 27989413), (133, 16204397), (161, 13386241), (209, 10311889), (253, 8518517), (361, 5970041), (437, 4931773), (1463, 1473127), (1771, 1216931), (2527, 852863), (3059, 704539), (3371, 639331), (3971, 542731), (4807, 448343), (8303, 259567), (23597, 91333), (27797, 77533), (33649, 64049), (37081, 58121)]