64220848

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{138407}}^1$

素因数の和:138444

約数の個数: 20

約数和(自身を含む): 128719440

約数和(自身を除く): 64498592

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 138407, 276814, 553628, 1107256, 2214512, 4013803, 8027606, 16055212, 32110424, 64220848]

約数ペア:

[(1, 64220848), (2, 32110424), (4, 16055212), (8, 8027606), (16, 4013803), (29, 2214512), (58, 1107256), (116, 553628), (232, 276814), (464, 138407)]