1380392

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{1021}}^1$

素因数の和:1053

約数の個数: 24

約数和(自身を含む): 2805390

約数和(自身を除く): 1424998

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1021, 1352, 2042, 4084, 8168, 13273, 26546, 53092, 106184, 172549, 345098, 690196, 1380392]

約数ペア:

[(1, 1380392), (2, 690196), (4, 345098), (8, 172549), (13, 106184), (26, 53092), (52, 26546), (104, 13273), (169, 8168), (338, 4084), (676, 2042), (1021, 1352)]