12721808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1$

素因数の和:144

約数の個数: 60

約数和(自身を含む): 28202064

約数和(自身を除く): 15480256

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 43, 44, 82, 86, 88, 164, 172, 176, 328, 344, 451, 473, 656, 688, 902, 946, 1681, 1763, 1804, 1892, 3362, 3526, 3608, 3784, 6724, 7052, 7216, 7568, 13448, 14104, 18491, 19393, 26896, 28208, 36982, 38786, 72283, 73964, 77572, 144566, 147928, 155144, 289132, 295856, 310288, 578264, 795113, 1156528, 1590226, 3180452, 6360904, 12721808]

約数ペア:

[(1, 12721808), (2, 6360904), (4, 3180452), (8, 1590226), (11, 1156528), (16, 795113), (22, 578264), (41, 310288), (43, 295856), (44, 289132), (82, 155144), (86, 147928), (88, 144566), (164, 77572), (172, 73964), (176, 72283), (328, 38786), (344, 36982), (451, 28208), (473, 26896), (656, 19393), (688, 18491), (902, 14104), (946, 13448), (1681, 7568), (1763, 7216), (1804, 7052), (1892, 6724), (3362, 3784), (3526, 3608)]