646961216

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8431}}^1$

素因数の和:8563

約数の個数: 56

約数和(自身を含む): 1413540480

約数和(自身を除く): 766579264

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 109, 176, 218, 352, 436, 704, 872, 1199, 1744, 2398, 3488, 4796, 6976, 8431, 9592, 16862, 19184, 33724, 38368, 67448, 76736, 92741, 134896, 185482, 269792, 370964, 539584, 741928, 918979, 1483856, 1837958, 2967712, 3675916, 5935424, 7351832, 10108769, 14703664, 20217538, 29407328, 40435076, 58814656, 80870152, 161740304, 323480608, 646961216]

約数ペア:

[(1, 646961216), (2, 323480608), (4, 161740304), (8, 80870152), (11, 58814656), (16, 40435076), (22, 29407328), (32, 20217538), (44, 14703664), (64, 10108769), (88, 7351832), (109, 5935424), (176, 3675916), (218, 2967712), (352, 1837958), (436, 1483856), (704, 918979), (872, 741928), (1199, 539584), (1744, 370964), (2398, 269792), (3488, 185482), (4796, 134896), (6976, 92741), (8431, 76736), (9592, 67448), (16862, 38368), (19184, 33724)]