258180848

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{1301}}^1$

素因数の和:1545

約数の個数: 40

約数和(自身を含む): 510175680

約数和(自身を除く): 251994832

約数列:

[1, 2, 4, 8, 16, 79, 157, 158, 314, 316, 628, 632, 1256, 1264, 1301, 2512, 2602, 5204, 10408, 12403, 20816, 24806, 49612, 99224, 102779, 198448, 204257, 205558, 408514, 411116, 817028, 822232, 1634056, 1644464, 3268112, 16136303, 32272606, 64545212, 129090424, 258180848]

約数ペア:

[(1, 258180848), (2, 129090424), (4, 64545212), (8, 32272606), (16, 16136303), (79, 3268112), (157, 1644464), (158, 1634056), (314, 822232), (316, 817028), (628, 411116), (632, 408514), (1256, 205558), (1264, 204257), (1301, 198448), (2512, 102779), (2602, 99224), (5204, 49612), (10408, 24806), (12403, 20816)]