71621017

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 83285496

約数和(自身を除く): 11664479

約数列:

[1, 13, 17, 97, 169, 221, 257, 1261, 1649, 2873, 3341, 4369, 16393, 21437, 24929, 43433, 56797, 278681, 324077, 423793, 738361, 4213001, 5509309, 71621017]

約数ペア:

[(1, 71621017), (13, 5509309), (17, 4213001), (97, 738361), (169, 423793), (221, 324077), (257, 278681), (1261, 56797), (1649, 43433), (2873, 24929), (3341, 21437), (4369, 16393)]