81282019

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{887}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 107412480

約数和(自身を除く): 26130461

約数列:

[1, 7, 13, 19, 53, 91, 133, 247, 371, 689, 887, 1007, 1729, 4823, 6209, 7049, 11531, 13091, 16853, 47011, 80717, 91637, 117971, 219089, 329077, 611143, 893209, 1533623, 4278001, 6252463, 11611717, 81282019]

約数ペア:

[(1, 81282019), (7, 11611717), (13, 6252463), (19, 4278001), (53, 1533623), (91, 893209), (133, 611143), (247, 329077), (371, 219089), (689, 117971), (887, 91637), (1007, 80717), (1729, 47011), (4823, 16853), (6209, 13091), (7049, 11531)]