819221

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:136

約数の個数: 16

約数和(自身を含む): 952560

約数和(自身を除く): 133339

約数列:

[1, 13, 29, 41, 53, 377, 533, 689, 1189, 1537, 2173, 15457, 19981, 28249, 63017, 819221]

約数ペア:

[(1, 819221), (13, 63017), (29, 28249), (41, 19981), (53, 15457), (377, 2173), (533, 1537), (689, 1189)]