667632

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1987}}^1$

素因数の和:2005

約数の個数: 40

約数和(自身を含む): 1972096

約数和(自身を除く): 1304464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1987, 3974, 5961, 7948, 11922, 13909, 15896, 23844, 27818, 31792, 41727, 47688, 55636, 83454, 95376, 111272, 166908, 222544, 333816, 667632]

約数ペア:

[(1, 667632), (2, 333816), (3, 222544), (4, 166908), (6, 111272), (7, 95376), (8, 83454), (12, 55636), (14, 47688), (16, 41727), (21, 31792), (24, 27818), (28, 23844), (42, 15896), (48, 13909), (56, 11922), (84, 7948), (112, 5961), (168, 3974), (336, 1987)]