1378787872

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79939}}^1$

素因数の和:79974

約数の個数: 72

約数和(自身を含む): 3444774480

約数和(自身を除く): 2065986608

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 539, 616, 784, 1078, 1232, 1568, 2156, 2464, 4312, 8624, 17248, 79939, 159878, 319756, 559573, 639512, 879329, 1119146, 1279024, 1758658, 2238292, 2558048, 3517316, 3917011, 4476584, 6155303, 7034632, 7834022, 8953168, 12310606, 14069264, 15668044, 17906336, 24621212, 28138528, 31336088, 43087121, 49242424, 62672176, 86174242, 98484848, 125344352, 172348484, 196969696, 344696968, 689393936, 1378787872]

約数ペア:

[(1, 1378787872), (2, 689393936), (4, 344696968), (7, 196969696), (8, 172348484), (11, 125344352), (14, 98484848), (16, 86174242), (22, 62672176), (28, 49242424), (32, 43087121), (44, 31336088), (49, 28138528), (56, 24621212), (77, 17906336), (88, 15668044), (98, 14069264), (112, 12310606), (154, 8953168), (176, 7834022), (196, 7034632), (224, 6155303), (308, 4476584), (352, 3917011), (392, 3517316), (539, 2558048), (616, 2238292), (784, 1758658), (1078, 1279024), (1232, 1119146), (1568, 879329), (2156, 639512), (2464, 559573), (4312, 319756), (8624, 159878), (17248, 79939)]