40331494

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{21991}}^1$

素因数の和:22131

約数の個数: 16

約数和(自身を含む): 69670656

約数和(自身を除く): 29339162

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 21991, 43982, 153937, 307874, 2880821, 5761642, 20165747, 40331494]

約数ペア:

[(1, 40331494), (2, 20165747), (7, 5761642), (14, 2880821), (131, 307874), (262, 153937), (917, 43982), (1834, 21991)]