30987712

素因数分解:

$2^6\times 7^1\times {\mathrm{263}}^2$

素因数の和:545

約数の個数: 42

約数和(自身を含む): 70543928

約数和(自身を除く): 39556216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 263, 448, 526, 1052, 1841, 2104, 3682, 4208, 7364, 8416, 14728, 16832, 29456, 58912, 69169, 117824, 138338, 276676, 484183, 553352, 968366, 1106704, 1936732, 2213408, 3873464, 4426816, 7746928, 15493856, 30987712]

約数ペア:

[(1, 30987712), (2, 15493856), (4, 7746928), (7, 4426816), (8, 3873464), (14, 2213408), (16, 1936732), (28, 1106704), (32, 968366), (56, 553352), (64, 484183), (112, 276676), (224, 138338), (263, 117824), (448, 69169), (526, 58912), (1052, 29456), (1841, 16832), (2104, 14728), (3682, 8416), (4208, 7364)]