1390334405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{115237}}^1$

素因数の和:115388

約数の個数: 16

約数和(自身を含む): 1770055680

約数和(自身を除く): 379721275

約数列:

[1, 5, 19, 95, 127, 635, 2413, 12065, 115237, 576185, 2189503, 10947515, 14635099, 73175495, 278066881, 1390334405]

約数ペア:

[(1, 1390334405), (5, 278066881), (19, 73175495), (95, 14635099), (127, 10947515), (635, 2189503), (2413, 576185), (12065, 115237)]