642762959

素因数分解:

${\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{5839}}^1$

素因数の和:5990

約数の個数: 16

約数和(自身を含む): 686223360

約数和(自身を除く): 43460401

約数列:

[1, 31, 53, 67, 1643, 2077, 3551, 5839, 110081, 181009, 309467, 391213, 9593477, 12127603, 20734289, 642762959]

約数ペア:

[(1, 642762959), (31, 20734289), (53, 12127603), (67, 9593477), (1643, 391213), (2077, 309467), (3551, 181009), (5839, 110081)]