1291213438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{228049}}^1$

素因数の和:228219

約数の個数: 16

約数和(自身を含む): 2052450000

約数和(自身を除く): 761236562

約数列:

[1, 2, 19, 38, 149, 298, 2831, 5662, 228049, 456098, 4332931, 8665862, 33979301, 67958602, 645606719, 1291213438]

約数ペア:

[(1, 1291213438), (2, 645606719), (19, 67958602), (38, 33979301), (149, 8665862), (298, 4332931), (2831, 456098), (5662, 228049)]