438438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:109

約数の個数: 64

約数和(自身を含む): 1193472

約数和(自身を除く): 755034

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 73, 77, 78, 91, 143, 146, 154, 182, 219, 231, 273, 286, 429, 438, 462, 511, 546, 803, 858, 949, 1001, 1022, 1533, 1606, 1898, 2002, 2409, 2847, 3003, 3066, 4818, 5621, 5694, 6006, 6643, 10439, 11242, 13286, 16863, 19929, 20878, 31317, 33726, 39858, 62634, 73073, 146146, 219219, 438438]

約数ペア:

[(1, 438438), (2, 219219), (3, 146146), (6, 73073), (7, 62634), (11, 39858), (13, 33726), (14, 31317), (21, 20878), (22, 19929), (26, 16863), (33, 13286), (39, 11242), (42, 10439), (66, 6643), (73, 6006), (77, 5694), (78, 5621), (91, 4818), (143, 3066), (146, 3003), (154, 2847), (182, 2409), (219, 2002), (231, 1898), (273, 1606), (286, 1533), (429, 1022), (438, 1001), (462, 949), (511, 858), (546, 803)]