663708

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 1693440

約数和(自身を除く): 1029732

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 41, 57, 71, 76, 82, 114, 123, 142, 164, 213, 228, 246, 284, 426, 492, 779, 852, 1349, 1558, 2337, 2698, 2911, 3116, 4047, 4674, 5396, 5822, 8094, 8733, 9348, 11644, 16188, 17466, 34932, 55309, 110618, 165927, 221236, 331854, 663708]

約数ペア:

[(1, 663708), (2, 331854), (3, 221236), (4, 165927), (6, 110618), (12, 55309), (19, 34932), (38, 17466), (41, 16188), (57, 11644), (71, 9348), (76, 8733), (82, 8094), (114, 5822), (123, 5396), (142, 4674), (164, 4047), (213, 3116), (228, 2911), (246, 2698), (284, 2337), (426, 1558), (492, 1349), (779, 852)]