1287798982

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{613}}^1\times {\mathrm{19819}}^1$

素因数の和:20487

約数の個数: 16

約数和(自身を含む): 1971455760

約数和(自身を除く): 683656778

約数列:

[1, 2, 53, 106, 613, 1226, 19819, 32489, 39638, 64978, 1050407, 2100814, 12149047, 24298094, 643899491, 1287798982]

約数ペア:

[(1, 1287798982), (2, 643899491), (53, 24298094), (106, 12149047), (613, 2100814), (1226, 1050407), (19819, 64978), (32489, 39638)]