137952815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 227791872

約数和(自身を除く): 89839057

約数列:

[1, 5, 7, 11, 13, 35, 43, 55, 65, 77, 91, 143, 215, 301, 385, 455, 473, 559, 641, 715, 1001, 1505, 2365, 2795, 3205, 3311, 3913, 4487, 5005, 6149, 7051, 8333, 16555, 19565, 22435, 27563, 30745, 35255, 41665, 43043, 49357, 58331, 91663, 137815, 192941, 215215, 246785, 291655, 303193, 358319, 458315, 641641, 964705, 1515965, 1791595, 2122351, 2508233, 3208205, 3941509, 10611755, 12541165, 19707545, 27590563, 137952815]

約数ペア:

[(1, 137952815), (5, 27590563), (7, 19707545), (11, 12541165), (13, 10611755), (35, 3941509), (43, 3208205), (55, 2508233), (65, 2122351), (77, 1791595), (91, 1515965), (143, 964705), (215, 641641), (301, 458315), (385, 358319), (455, 303193), (473, 291655), (559, 246785), (641, 215215), (715, 192941), (1001, 137815), (1505, 91663), (2365, 58331), (2795, 49357), (3205, 43043), (3311, 41665), (3913, 35255), (4487, 30745), (5005, 27563), (6149, 22435), (7051, 19565), (8333, 16555)]