155663998

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{1321}}^1$

素因数の和:1792

約数の個数: 32

約数和(自身を含む): 281744640

約数和(自身を除く): 126080642

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 443, 886, 1321, 2642, 3101, 6202, 8417, 9247, 16834, 18494, 25099, 50198, 58919, 117838, 175693, 351386, 585203, 1170406, 4096421, 8192842, 11118857, 22237714, 77831999, 155663998]

約数ペア:

[(1, 155663998), (2, 77831999), (7, 22237714), (14, 11118857), (19, 8192842), (38, 4096421), (133, 1170406), (266, 585203), (443, 351386), (886, 175693), (1321, 117838), (2642, 58919), (3101, 50198), (6202, 25099), (8417, 18494), (9247, 16834)]