81559968

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{121369}}^1$

素因数の和:121389

約数の個数: 48

約数和(自身を含む): 244681920

約数和(自身を除く): 163121952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 121369, 242738, 364107, 485476, 728214, 849583, 970952, 1456428, 1699166, 1941904, 2548749, 2912856, 3398332, 3883808, 5097498, 5825712, 6796664, 10194996, 11651424, 13593328, 20389992, 27186656, 40779984, 81559968]

約数ペア:

[(1, 81559968), (2, 40779984), (3, 27186656), (4, 20389992), (6, 13593328), (7, 11651424), (8, 10194996), (12, 6796664), (14, 5825712), (16, 5097498), (21, 3883808), (24, 3398332), (28, 2912856), (32, 2548749), (42, 1941904), (48, 1699166), (56, 1456428), (84, 970952), (96, 849583), (112, 728214), (168, 485476), (224, 364107), (336, 242738), (672, 121369)]