31308214

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 55478016

約数和(自身を除く): 24169802

約数列:

[1, 2, 7, 14, 43, 86, 131, 262, 301, 397, 602, 794, 917, 1834, 2779, 5558, 5633, 11266, 17071, 34142, 39431, 52007, 78862, 104014, 119497, 238994, 364049, 728098, 2236301, 4472602, 15654107, 31308214]

約数ペア:

[(1, 31308214), (2, 15654107), (7, 4472602), (14, 2236301), (43, 728098), (86, 364049), (131, 238994), (262, 119497), (301, 104014), (397, 78862), (602, 52007), (794, 39431), (917, 34142), (1834, 17071), (2779, 11266), (5558, 5633)]