1385005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:324

約数の個数: 16

約数和(自身を含む): 1785600

約数和(自身を除く): 400595

約数列:

[1, 5, 19, 61, 95, 239, 305, 1159, 1195, 4541, 5795, 14579, 22705, 72895, 277001, 1385005]

約数ペア:

[(1, 1385005), (5, 277001), (19, 72895), (61, 22705), (95, 14579), (239, 5795), (305, 4541), (1159, 1195)]