2220565516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{440239}}^1$

素因数の和:440353

約数の個数: 24

約数和(自身を含む): 4228064960

約数和(自身を除く): 2007499444

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 440239, 880478, 1760956, 5723107, 11446214, 22892428, 42703183, 85406366, 170812732, 555141379, 1110282758, 2220565516]

約数ペア:

[(1, 2220565516), (2, 1110282758), (4, 555141379), (13, 170812732), (26, 85406366), (52, 42703183), (97, 22892428), (194, 11446214), (388, 5723107), (1261, 1760956), (2522, 880478), (5044, 440239)]