656486944

素因数分解:

$2^5\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{1759}}^1$

素因数の和:1985

約数の個数: 48

約数和(自身を含む): 1317254400

約数和(自身を除く): 660767456

約数列:

[1, 2, 4, 8, 16, 32, 107, 109, 214, 218, 428, 436, 856, 872, 1712, 1744, 1759, 3424, 3488, 3518, 7036, 11663, 14072, 23326, 28144, 46652, 56288, 93304, 186608, 188213, 191731, 373216, 376426, 383462, 752852, 766924, 1505704, 1533848, 3011408, 3067696, 6022816, 6135392, 20515217, 41030434, 82060868, 164121736, 328243472, 656486944]

約数ペア:

[(1, 656486944), (2, 328243472), (4, 164121736), (8, 82060868), (16, 41030434), (32, 20515217), (107, 6135392), (109, 6022816), (214, 3067696), (218, 3011408), (428, 1533848), (436, 1505704), (856, 766924), (872, 752852), (1712, 383462), (1744, 376426), (1759, 373216), (3424, 191731), (3488, 188213), (3518, 186608), (7036, 93304), (11663, 56288), (14072, 46652), (23326, 28144)]