16131115

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{293}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 26276544

約数和(自身を除く): 10145429

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 121, 143, 293, 385, 455, 605, 715, 847, 1001, 1465, 1573, 2051, 3223, 3809, 4235, 5005, 7865, 10255, 11011, 16115, 19045, 22561, 26663, 35453, 41899, 55055, 112805, 133315, 177265, 209495, 248171, 293293, 460889, 1240855, 1466465, 2304445, 3226223, 16131115]

約数ペア:

[(1, 16131115), (5, 3226223), (7, 2304445), (11, 1466465), (13, 1240855), (35, 460889), (55, 293293), (65, 248171), (77, 209495), (91, 177265), (121, 133315), (143, 112805), (293, 55055), (385, 41899), (455, 35453), (605, 26663), (715, 22561), (847, 19045), (1001, 16115), (1465, 11011), (1573, 10255), (2051, 7865), (3223, 5005), (3809, 4235)]