71279089

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 87465408

約数和(自身を除く): 16186319

約数列:

[1, 7, 19, 67, 133, 361, 421, 469, 1273, 2527, 2947, 7999, 8911, 24187, 28207, 55993, 151981, 169309, 197449, 535933, 1063867, 3751531, 10182727, 71279089]

約数ペア:

[(1, 71279089), (7, 10182727), (19, 3751531), (67, 1063867), (133, 535933), (361, 197449), (421, 169309), (469, 151981), (1273, 55993), (2527, 28207), (2947, 24187), (7999, 8911)]