131205968

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:731

約数の個数: 40

約数和(自身を含む): 258653088

約数和(自身を除く): 127447120

約数列:

[1, 2, 4, 8, 16, 107, 173, 214, 346, 428, 443, 692, 856, 886, 1384, 1712, 1772, 2768, 3544, 7088, 18511, 37022, 47401, 74044, 76639, 94802, 148088, 153278, 189604, 296176, 306556, 379208, 613112, 758416, 1226224, 8200373, 16400746, 32801492, 65602984, 131205968]

約数ペア:

[(1, 131205968), (2, 65602984), (4, 32801492), (8, 16400746), (16, 8200373), (107, 1226224), (173, 758416), (214, 613112), (346, 379208), (428, 306556), (443, 296176), (692, 189604), (856, 153278), (886, 148088), (1384, 94802), (1712, 76639), (1772, 74044), (2768, 47401), (3544, 37022), (7088, 18511)]