128567719

素因数分解:

$7^3\times {\mathrm{17}}^2\times {\mathrm{1297}}^1$

素因数の和:1352

約数の個数: 24

約数和(自身を含む): 159394400

約数和(自身を除く): 30826681

約数列:

[1, 7, 17, 49, 119, 289, 343, 833, 1297, 2023, 5831, 9079, 14161, 22049, 63553, 99127, 154343, 374833, 444871, 1080401, 2623831, 7562807, 18366817, 128567719]

約数ペア:

[(1, 128567719), (7, 18366817), (17, 7562807), (49, 2623831), (119, 1080401), (289, 444871), (343, 374833), (833, 154343), (1297, 99127), (2023, 63553), (5831, 22049), (9079, 14161)]