31999408

素因数分解:

$2^4\times 7^1\times {\mathrm{285709}}^1$

素因数の和:285724

約数の個数: 20

約数和(自身を含む): 70856080

約数和(自身を除く): 38856672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 285709, 571418, 1142836, 1999963, 2285672, 3999926, 4571344, 7999852, 15999704, 31999408]

約数ペア:

[(1, 31999408), (2, 15999704), (4, 7999852), (7, 4571344), (8, 3999926), (14, 2285672), (16, 1999963), (28, 1142836), (56, 571418), (112, 285709)]