645366946

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1379

約数の個数: 48

約数和(自身を含む): 1158374520

約数和(自身を除く): 513007574

約数列:

[1, 2, 7, 14, 49, 61, 89, 98, 122, 178, 427, 623, 854, 1213, 1246, 2426, 2989, 4361, 5429, 5978, 8491, 8722, 10858, 16982, 38003, 59437, 73993, 76006, 107957, 118874, 147986, 215914, 266021, 517951, 532042, 755699, 1035902, 1511398, 3625657, 5289893, 6585377, 7251314, 10579786, 13170754, 46097639, 92195278, 322683473, 645366946]

約数ペア:

[(1, 645366946), (2, 322683473), (7, 92195278), (14, 46097639), (49, 13170754), (61, 10579786), (89, 7251314), (98, 6585377), (122, 5289893), (178, 3625657), (427, 1511398), (623, 1035902), (854, 755699), (1213, 532042), (1246, 517951), (2426, 266021), (2989, 215914), (4361, 147986), (5429, 118874), (5978, 107957), (8491, 76006), (8722, 73993), (10858, 59437), (16982, 38003)]