2169515

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 2812320

約数和(自身を除く): 642805

約数列:

[1, 5, 19, 41, 95, 205, 557, 779, 2785, 3895, 10583, 22837, 52915, 114185, 433903, 2169515]

約数ペア:

[(1, 2169515), (5, 433903), (19, 114185), (41, 52915), (95, 22837), (205, 10583), (557, 3895), (779, 2785)]