131434786

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 250387200

約数和(自身を除く): 118952414

約数列:

[1, 2, 7, 14, 17, 29, 34, 58, 119, 137, 139, 203, 238, 274, 278, 406, 493, 959, 973, 986, 1918, 1946, 2329, 2363, 3451, 3973, 4031, 4658, 4726, 6902, 7946, 8062, 16303, 16541, 19043, 27811, 28217, 32606, 33082, 38086, 55622, 56434, 67541, 68527, 133301, 135082, 137054, 266602, 323731, 472787, 479689, 552247, 647462, 945574, 959378, 1104494, 2266117, 3865729, 4532234, 7731458, 9388199, 18776398, 65717393, 131434786]

約数ペア:

[(1, 131434786), (2, 65717393), (7, 18776398), (14, 9388199), (17, 7731458), (29, 4532234), (34, 3865729), (58, 2266117), (119, 1104494), (137, 959378), (139, 945574), (203, 647462), (238, 552247), (274, 479689), (278, 472787), (406, 323731), (493, 266602), (959, 137054), (973, 135082), (986, 133301), (1918, 68527), (1946, 67541), (2329, 56434), (2363, 55622), (3451, 38086), (3973, 33082), (4031, 32606), (4658, 28217), (4726, 27811), (6902, 19043), (7946, 16541), (8062, 16303)]