249449136

素因数分解:

$2^4\times 3^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:666

約数の個数: 80

約数和(自身を含む): 658291200

約数和(自身を除く): 408842064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 79, 157, 158, 237, 314, 316, 419, 471, 474, 628, 632, 838, 942, 948, 1256, 1257, 1264, 1676, 1884, 1896, 2512, 2514, 3352, 3768, 3792, 5028, 6704, 7536, 10056, 12403, 20112, 24806, 33101, 37209, 49612, 65783, 66202, 74418, 99224, 99303, 131566, 132404, 148836, 197349, 198448, 198606, 263132, 264808, 297672, 394698, 397212, 526264, 529616, 595344, 789396, 794424, 1052528, 1578792, 1588848, 3157584, 5196857, 10393714, 15590571, 20787428, 31181142, 41574856, 62362284, 83149712, 124724568, 249449136]

約数ペア:

[(1, 249449136), (2, 124724568), (3, 83149712), (4, 62362284), (6, 41574856), (8, 31181142), (12, 20787428), (16, 15590571), (24, 10393714), (48, 5196857), (79, 3157584), (157, 1588848), (158, 1578792), (237, 1052528), (314, 794424), (316, 789396), (419, 595344), (471, 529616), (474, 526264), (628, 397212), (632, 394698), (838, 297672), (942, 264808), (948, 263132), (1256, 198606), (1257, 198448), (1264, 197349), (1676, 148836), (1884, 132404), (1896, 131566), (2512, 99303), (2514, 99224), (3352, 74418), (3768, 66202), (3792, 65783), (5028, 49612), (6704, 37209), (7536, 33101), (10056, 24806), (12403, 20112)]