28867118

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2309}}^1$

素因数の和:2384

約数の個数: 32

約数和(自身を含む): 53222400

約数和(自身を除く): 24355282

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 266, 329, 658, 893, 1786, 2309, 4618, 6251, 12502, 16163, 32326, 43871, 87742, 108523, 217046, 307097, 614194, 759661, 1519322, 2061937, 4123874, 14433559, 28867118]

約数ペア:

[(1, 28867118), (2, 14433559), (7, 4123874), (14, 2061937), (19, 1519322), (38, 759661), (47, 614194), (94, 307097), (133, 217046), (266, 108523), (329, 87742), (658, 43871), (893, 32326), (1786, 16163), (2309, 12502), (4618, 6251)]