257574828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{19531}}^1$

素因数の和:19702

約数の個数: 48

約数和(自身を含む): 691276544

約数和(自身を除く): 433701716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 157, 314, 471, 628, 942, 1099, 1884, 2198, 3297, 4396, 6594, 13188, 19531, 39062, 58593, 78124, 117186, 136717, 234372, 273434, 410151, 546868, 820302, 1640604, 3066367, 6132734, 9199101, 12265468, 18398202, 21464569, 36796404, 42929138, 64393707, 85858276, 128787414, 257574828]

約数ペア:

[(1, 257574828), (2, 128787414), (3, 85858276), (4, 64393707), (6, 42929138), (7, 36796404), (12, 21464569), (14, 18398202), (21, 12265468), (28, 9199101), (42, 6132734), (84, 3066367), (157, 1640604), (314, 820302), (471, 546868), (628, 410151), (942, 273434), (1099, 234372), (1884, 136717), (2198, 117186), (3297, 78124), (4396, 58593), (6594, 39062), (13188, 19531)]