1278247135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1223203}}^1$

素因数の和:1223238

約数の個数: 16

約数和(自身を含む): 1761413760

約数和(自身を除く): 483166625

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 1223203, 6116015, 13455233, 23240857, 67276165, 116204285, 255649427, 1278247135]

約数ペア:

[(1, 1278247135), (5, 255649427), (11, 116204285), (19, 67276165), (55, 23240857), (95, 13455233), (209, 6116015), (1045, 1223203)]