216212416

素因数分解:

$2^6\times 7^1\times {\mathrm{487}}^1\times {\mathrm{991}}^1$

素因数の和:1497

約数の個数: 56

約数和(自身を含む): 491841536

約数和(自身を除く): 275629120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 487, 974, 991, 1948, 1982, 3409, 3896, 3964, 6818, 6937, 7792, 7928, 13636, 13874, 15584, 15856, 27272, 27748, 31168, 31712, 54544, 55496, 63424, 109088, 110992, 218176, 221984, 443968, 482617, 965234, 1930468, 3378319, 3860936, 6756638, 7721872, 13513276, 15443744, 27026552, 30887488, 54053104, 108106208, 216212416]

約数ペア:

[(1, 216212416), (2, 108106208), (4, 54053104), (7, 30887488), (8, 27026552), (14, 15443744), (16, 13513276), (28, 7721872), (32, 6756638), (56, 3860936), (64, 3378319), (112, 1930468), (224, 965234), (448, 482617), (487, 443968), (974, 221984), (991, 218176), (1948, 110992), (1982, 109088), (3409, 63424), (3896, 55496), (3964, 54544), (6818, 31712), (6937, 31168), (7792, 27748), (7928, 27272), (13636, 15856), (13874, 15584)]