1388118394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{643243}}^1$

素因数の和:643341

約数の個数: 16

約数和(自身を含む): 2269364832

約数和(自身を除く): 881246438

約数列:

[1, 2, 13, 26, 83, 166, 1079, 2158, 643243, 1286486, 8362159, 16724318, 53389169, 106778338, 694059197, 1388118394]

約数ペア:

[(1, 1388118394), (2, 694059197), (13, 106778338), (26, 53389169), (83, 16724318), (166, 8362159), (1079, 1286486), (2158, 643243)]