305456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1123}}^1$

素因数の和:1148

約数の個数: 20

約数和(自身を含む): 627192

約数和(自身を除く): 321736

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1123, 2246, 4492, 8984, 17968, 19091, 38182, 76364, 152728, 305456]

約数ペア:

[(1, 305456), (2, 152728), (4, 76364), (8, 38182), (16, 19091), (17, 17968), (34, 8984), (68, 4492), (136, 2246), (272, 1123)]