25516582

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 50964480

約数和(自身を除く): 25447898

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 47, 91, 94, 133, 157, 182, 247, 266, 314, 329, 494, 611, 658, 893, 1099, 1222, 1729, 1786, 2041, 2198, 2983, 3458, 4082, 4277, 5966, 6251, 7379, 8554, 11609, 12502, 14287, 14758, 20881, 23218, 28574, 38779, 41762, 51653, 77558, 81263, 95927, 103306, 140201, 162526, 191854, 271453, 280402, 542906, 671489, 981407, 1342978, 1822613, 1962814, 3645226, 12758291, 25516582]

約数ペア:

[(1, 25516582), (2, 12758291), (7, 3645226), (13, 1962814), (14, 1822613), (19, 1342978), (26, 981407), (38, 671489), (47, 542906), (91, 280402), (94, 271453), (133, 191854), (157, 162526), (182, 140201), (247, 103306), (266, 95927), (314, 81263), (329, 77558), (494, 51653), (611, 41762), (658, 38779), (893, 28574), (1099, 23218), (1222, 20881), (1729, 14758), (1786, 14287), (2041, 12502), (2198, 11609), (2983, 8554), (3458, 7379), (4082, 6251), (4277, 5966)]