25421858

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 49156800

約数和(自身を除く): 23734942

約数列:

[1, 2, 7, 11, 14, 22, 43, 77, 86, 121, 154, 242, 301, 349, 473, 602, 698, 847, 946, 1694, 2443, 3311, 3839, 4886, 5203, 6622, 7678, 10406, 15007, 26873, 30014, 36421, 42229, 53746, 72842, 84458, 105049, 165077, 210098, 295603, 330154, 591206, 1155539, 1815847, 2311078, 3631694, 12710929, 25421858]

約数ペア:

[(1, 25421858), (2, 12710929), (7, 3631694), (11, 2311078), (14, 1815847), (22, 1155539), (43, 591206), (77, 330154), (86, 295603), (121, 210098), (154, 165077), (242, 105049), (301, 84458), (349, 72842), (473, 53746), (602, 42229), (698, 36421), (847, 30014), (946, 26873), (1694, 15007), (2443, 10406), (3311, 7678), (3839, 6622), (4886, 5203)]