25508516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{19991}}^1$

素因数の和:20035

約数の個数: 24

約数和(自身を含む): 50379840

約数和(自身を除く): 24871324

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 19991, 39982, 79964, 219901, 439802, 579739, 879604, 1159478, 2318956, 6377129, 12754258, 25508516]

約数ペア:

[(1, 25508516), (2, 12754258), (4, 6377129), (11, 2318956), (22, 1159478), (29, 879604), (44, 579739), (58, 439802), (116, 219901), (319, 79964), (638, 39982), (1276, 19991)]