68449964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{21911}}^1$

素因数の和:21997

約数の個数: 24

約数和(自身を含む): 132523776

約数和(自身を除く): 64073812

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 21911, 43822, 87644, 241021, 482042, 964084, 1555681, 3111362, 6222724, 17112491, 34224982, 68449964]

約数ペア:

[(1, 68449964), (2, 34224982), (4, 17112491), (11, 6222724), (22, 3111362), (44, 1555681), (71, 964084), (142, 482042), (284, 241021), (781, 87644), (1562, 43822), (3124, 21911)]