81338411

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1049}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 108864000

約数和(自身を除く): 27525589

約数列:

[1, 7, 11, 19, 53, 77, 133, 209, 371, 583, 1007, 1049, 1463, 4081, 7049, 7343, 11077, 11539, 19931, 55597, 77539, 80773, 139517, 219241, 389179, 611567, 1056343, 1534687, 4280969, 7394401, 11619773, 81338411]

約数ペア:

[(1, 81338411), (7, 11619773), (11, 7394401), (19, 4280969), (53, 1534687), (77, 1056343), (133, 611567), (209, 389179), (371, 219241), (583, 139517), (1007, 80773), (1049, 77539), (1463, 55597), (4081, 19931), (7049, 11539), (7343, 11077)]