84131905

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 126020160

約数和(自身を除く): 41888255

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 121, 143, 209, 247, 563, 605, 715, 1045, 1235, 1573, 2299, 2717, 2815, 6193, 7319, 7865, 10697, 11495, 13585, 29887, 30965, 36595, 53485, 68123, 80509, 117667, 139061, 149435, 340615, 402545, 588335, 695305, 885599, 1294337, 1529671, 4427995, 6471685, 7648355, 16826381, 84131905]

約数ペア:

[(1, 84131905), (5, 16826381), (11, 7648355), (13, 6471685), (19, 4427995), (55, 1529671), (65, 1294337), (95, 885599), (121, 695305), (143, 588335), (209, 402545), (247, 340615), (563, 149435), (605, 139061), (715, 117667), (1045, 80509), (1235, 68123), (1573, 53485), (2299, 36595), (2717, 30965), (2815, 29887), (6193, 13585), (7319, 11495), (7865, 10697)]