581516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 1121904

約数和(自身を除く): 540388

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 211, 212, 422, 689, 844, 1378, 2743, 2756, 5486, 10972, 11183, 22366, 44732, 145379, 290758, 581516]

約数ペア:

[(1, 581516), (2, 290758), (4, 145379), (13, 44732), (26, 22366), (52, 11183), (53, 10972), (106, 5486), (211, 2756), (212, 2743), (422, 1378), (689, 844)]