378339976

素因数分解:

$2^3\times 7^4\times {\mathrm{19697}}^1$

素因数の和:19731

約数の個数: 40

約数和(自身を含む): 827611470

約数和(自身を除く): 449271494

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2401, 2744, 4802, 9604, 19208, 19697, 39394, 78788, 137879, 157576, 275758, 551516, 965153, 1103032, 1930306, 3860612, 6756071, 7721224, 13512142, 27024284, 47292497, 54048568, 94584994, 189169988, 378339976]

約数ペア:

[(1, 378339976), (2, 189169988), (4, 94584994), (7, 54048568), (8, 47292497), (14, 27024284), (28, 13512142), (49, 7721224), (56, 6756071), (98, 3860612), (196, 1930306), (343, 1103032), (392, 965153), (686, 551516), (1372, 275758), (2401, 157576), (2744, 137879), (4802, 78788), (9604, 39394), (19208, 19697)]