15121288

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20771}}^1$

素因数の和:20797

約数の個数: 32

約数和(自身を含む): 34896960

約数和(自身を除く): 19775672

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 20771, 41542, 83084, 145397, 166168, 270023, 290794, 540046, 581588, 1080092, 1163176, 1890161, 2160184, 3780322, 7560644, 15121288]

約数ペア:

[(1, 15121288), (2, 7560644), (4, 3780322), (7, 2160184), (8, 1890161), (13, 1163176), (14, 1080092), (26, 581588), (28, 540046), (52, 290794), (56, 270023), (91, 166168), (104, 145397), (182, 83084), (364, 41542), (728, 20771)]