291204265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{1091}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 400038912

約数和(自身を除く): 108834647

約数列:

[1, 5, 11, 23, 55, 115, 211, 253, 1055, 1091, 1265, 2321, 4853, 5455, 11605, 12001, 24265, 25093, 53383, 60005, 125465, 230201, 266915, 276023, 1151005, 1380115, 2532211, 5294623, 12661055, 26473115, 58240853, 291204265]

約数ペア:

[(1, 291204265), (5, 58240853), (11, 26473115), (23, 12661055), (55, 5294623), (115, 2532211), (211, 1380115), (253, 1151005), (1055, 276023), (1091, 266915), (1265, 230201), (2321, 125465), (4853, 60005), (5455, 53383), (11605, 25093), (12001, 24265)]