4449445

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 7354368

約数和(自身を除く): 2904923

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 127, 143, 245, 385, 455, 539, 635, 637, 715, 889, 1001, 1397, 1651, 2695, 3185, 4445, 5005, 6223, 6985, 7007, 8255, 9779, 11557, 18161, 31115, 35035, 48895, 57785, 68453, 80899, 90805, 127127, 342265, 404495, 635635, 889889, 4449445]

約数ペア:

[(1, 4449445), (5, 889889), (7, 635635), (11, 404495), (13, 342265), (35, 127127), (49, 90805), (55, 80899), (65, 68453), (77, 57785), (91, 48895), (127, 35035), (143, 31115), (245, 18161), (385, 11557), (455, 9779), (539, 8255), (635, 7007), (637, 6985), (715, 6223), (889, 5005), (1001, 4445), (1397, 3185), (1651, 2695)]