338747578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{1193}}^1$

素因数の和:1438

約数の個数: 32

約数和(自身を含む): 559250496

約数和(自身を除く): 220502918

約数列:

[1, 2, 13, 26, 67, 134, 163, 326, 871, 1193, 1742, 2119, 2386, 4238, 10921, 15509, 21842, 31018, 79931, 141973, 159862, 194459, 283946, 388918, 1039103, 2078206, 2527967, 5055934, 13028753, 26057506, 169373789, 338747578]

約数ペア:

[(1, 338747578), (2, 169373789), (13, 26057506), (26, 13028753), (67, 5055934), (134, 2527967), (163, 2078206), (326, 1039103), (871, 388918), (1193, 283946), (1742, 194459), (2119, 159862), (2386, 141973), (4238, 79931), (10921, 31018), (15509, 21842)]