678663188

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{19531}}^1$

素因数の和:19632

約数の個数: 48

約数和(自身を含む): 1456930944

約数和(自身を除く): 778267756

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 73, 119, 146, 238, 292, 476, 511, 1022, 1241, 2044, 2482, 4964, 8687, 17374, 19531, 34748, 39062, 78124, 136717, 273434, 332027, 546868, 664054, 1328108, 1425763, 2324189, 2851526, 4648378, 5703052, 9296756, 9980341, 19960682, 24237971, 39921364, 48475942, 96951884, 169665797, 339331594, 678663188]

約数ペア:

[(1, 678663188), (2, 339331594), (4, 169665797), (7, 96951884), (14, 48475942), (17, 39921364), (28, 24237971), (34, 19960682), (68, 9980341), (73, 9296756), (119, 5703052), (146, 4648378), (238, 2851526), (292, 2324189), (476, 1425763), (511, 1328108), (1022, 664054), (1241, 546868), (2044, 332027), (2482, 273434), (4964, 136717), (8687, 78124), (17374, 39062), (19531, 34748)]