71182447

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{1289}}^1$

素因数の和:1340

約数の個数: 20

約数和(自身を含む): 86718960

約数和(自身を除く): 15536513

約数列:

[1, 7, 23, 49, 161, 343, 1127, 1289, 2401, 7889, 9023, 29647, 55223, 63161, 207529, 442127, 1452703, 3094889, 10168921, 71182447]

約数ペア:

[(1, 71182447), (7, 10168921), (23, 3094889), (49, 1452703), (161, 442127), (343, 207529), (1127, 63161), (1289, 55223), (2401, 29647), (7889, 9023)]