71155418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 116424000

約数和(自身を除く): 45268582

約数列:

[1, 2, 19, 38, 41, 82, 109, 218, 419, 779, 838, 1558, 2071, 4142, 4469, 7961, 8938, 15922, 17179, 34358, 45671, 84911, 91342, 169822, 326401, 652802, 867749, 1735498, 1872511, 3745022, 35577709, 71155418]

約数ペア:

[(1, 71155418), (2, 35577709), (19, 3745022), (38, 1872511), (41, 1735498), (82, 867749), (109, 652802), (218, 326401), (419, 169822), (779, 91342), (838, 84911), (1558, 45671), (2071, 34358), (4142, 17179), (4469, 15922), (7961, 8938)]