1388398934

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{643373}}^1$

素因数の和:643471

約数の個数: 16

約数和(自身を含む): 2269823472

約数和(自身を除く): 881424538

約数列:

[1, 2, 13, 26, 83, 166, 1079, 2158, 643373, 1286746, 8363849, 16727698, 53399959, 106799918, 694199467, 1388398934]

約数ペア:

[(1, 1388398934), (2, 694199467), (13, 106799918), (26, 53399959), (83, 16727698), (166, 8363849), (1079, 1286746), (2158, 643373)]