257471208

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{22777}}^1$

素因数の和:22946

約数の個数: 48

約数和(自身を含む): 701790180

約数和(自身を除く): 444318972

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1884, 2826, 3768, 5652, 11304, 22777, 45554, 68331, 91108, 136662, 182216, 204993, 273324, 409986, 546648, 819972, 1639944, 3575989, 7151978, 10727967, 14303956, 21455934, 28607912, 32183901, 42911868, 64367802, 85823736, 128735604, 257471208]

約数ペア:

[(1, 257471208), (2, 128735604), (3, 85823736), (4, 64367802), (6, 42911868), (8, 32183901), (9, 28607912), (12, 21455934), (18, 14303956), (24, 10727967), (36, 7151978), (72, 3575989), (157, 1639944), (314, 819972), (471, 546648), (628, 409986), (942, 273324), (1256, 204993), (1413, 182216), (1884, 136662), (2826, 91108), (3768, 68331), (5652, 45554), (11304, 22777)]