1388890139

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{1597}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 1804078080

約数和(自身を除く): 415187941

約数列:

[1, 7, 13, 19, 91, 133, 247, 503, 1597, 1729, 3521, 6539, 9557, 11179, 20761, 30343, 45773, 66899, 124241, 145327, 212401, 394459, 803291, 869687, 2761213, 5623037, 10442783, 15262529, 73099481, 106837703, 198412877, 1388890139]

約数ペア:

[(1, 1388890139), (7, 198412877), (13, 106837703), (19, 73099481), (91, 15262529), (133, 10442783), (247, 5623037), (503, 2761213), (1597, 869687), (1729, 803291), (3521, 394459), (6539, 212401), (9557, 145327), (11179, 124241), (20761, 66899), (30343, 45773)]