289447249

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3373}}^1$

素因数の和:3457

約数の個数: 32

約数和(自身を含む): 380911104

約数和(自身を除く): 91463855

約数列:

[1, 7, 13, 23, 41, 91, 161, 287, 299, 533, 943, 2093, 3373, 3731, 6601, 12259, 23611, 43849, 77579, 85813, 138293, 306943, 543053, 968051, 1008527, 1797809, 3180739, 7059689, 12584663, 22265173, 41349607, 289447249]

約数ペア:

[(1, 289447249), (7, 41349607), (13, 22265173), (23, 12584663), (41, 7059689), (91, 3180739), (161, 1797809), (287, 1008527), (299, 968051), (533, 543053), (943, 306943), (2093, 138293), (3373, 85813), (3731, 77579), (6601, 43849), (12259, 23611)]