215675848

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{431}}^1\times {\mathrm{881}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 411505920

約数和(自身を除く): 195830072

約数列:

[1, 2, 4, 8, 71, 142, 284, 431, 568, 862, 881, 1724, 1762, 3448, 3524, 7048, 30601, 61202, 62551, 122404, 125102, 244808, 250204, 379711, 500408, 759422, 1518844, 3037688, 26959481, 53918962, 107837924, 215675848]

約数ペア:

[(1, 215675848), (2, 107837924), (4, 53918962), (8, 26959481), (71, 3037688), (142, 1518844), (284, 759422), (431, 500408), (568, 379711), (862, 250204), (881, 244808), (1724, 125102), (1762, 122404), (3448, 62551), (3524, 61202), (7048, 30601)]