31245872

素因数分解:

$2^4\times 7^1\times {\mathrm{278981}}^1$

素因数の和:278996

約数の個数: 20

約数和(自身を含む): 69187536

約数和(自身を除く): 37941664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 278981, 557962, 1115924, 1952867, 2231848, 3905734, 4463696, 7811468, 15622936, 31245872]

約数ペア:

[(1, 31245872), (2, 15622936), (4, 7811468), (7, 4463696), (8, 3905734), (14, 2231848), (16, 1952867), (28, 1115924), (56, 557962), (112, 278981)]