278589028

素因数分解:

$2^2\times {\mathrm{257}}^1\times {\mathrm{457}}^1\times {\mathrm{593}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 491325912

約数和(自身を除く): 212736884

約数列:

[1, 2, 4, 257, 457, 514, 593, 914, 1028, 1186, 1828, 2372, 117449, 152401, 234898, 271001, 304802, 469796, 542002, 609604, 1084004, 69647257, 139294514, 278589028]

約数ペア:

[(1, 278589028), (2, 139294514), (4, 69647257), (257, 1084004), (457, 609604), (514, 542002), (593, 469796), (914, 304802), (1028, 271001), (1186, 234898), (1828, 152401), (2372, 117449)]