647547512

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{997}}^1\times {\mathrm{4273}}^1$

素因数の和:5295

約数の個数: 32

約数和(自身を含む): 1279635600

約数和(自身を除く): 632088088

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 997, 1994, 3988, 4273, 7976, 8546, 17092, 18943, 34184, 37886, 75772, 81187, 151544, 162374, 324748, 649496, 4260181, 8520362, 17040724, 34081448, 80943439, 161886878, 323773756, 647547512]

約数ペア:

[(1, 647547512), (2, 323773756), (4, 161886878), (8, 80943439), (19, 34081448), (38, 17040724), (76, 8520362), (152, 4260181), (997, 649496), (1994, 324748), (3988, 162374), (4273, 151544), (7976, 81187), (8546, 75772), (17092, 37886), (18943, 34184)]