31396988

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{21157}}^1$

素因数の和:21221

約数の個数: 24

約数和(自身を含む): 63981792

約数和(自身を除く): 32584804

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 21157, 42314, 84628, 148099, 296198, 592396, 1121321, 2242642, 4485284, 7849247, 15698494, 31396988]

約数ペア:

[(1, 31396988), (2, 15698494), (4, 7849247), (7, 4485284), (14, 2242642), (28, 1121321), (53, 592396), (106, 296198), (212, 148099), (371, 84628), (742, 42314), (1484, 21157)]