256985496

素因数分解:

$2^3\times 3^2\times {\mathrm{947}}^1\times {\mathrm{3769}}^1$

素因数の和:4728

約数の個数: 48

約数和(自身を含む): 696922200

約数和(自身を除く): 439936704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 947, 1894, 2841, 3769, 3788, 5682, 7538, 7576, 8523, 11307, 11364, 15076, 17046, 22614, 22728, 30152, 33921, 34092, 45228, 67842, 68184, 90456, 135684, 271368, 3569243, 7138486, 10707729, 14276972, 21415458, 28553944, 32123187, 42830916, 64246374, 85661832, 128492748, 256985496]

約数ペア:

[(1, 256985496), (2, 128492748), (3, 85661832), (4, 64246374), (6, 42830916), (8, 32123187), (9, 28553944), (12, 21415458), (18, 14276972), (24, 10707729), (36, 7138486), (72, 3569243), (947, 271368), (1894, 135684), (2841, 90456), (3769, 68184), (3788, 67842), (5682, 45228), (7538, 34092), (7576, 33921), (8523, 30152), (11307, 22728), (11364, 22614), (15076, 17046)]