31156930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6269}}^1$

素因数の和:6354

約数の個数: 32

約数和(自身を含む): 65007360

約数和(自身を除く): 33850430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 6269, 12538, 31345, 43883, 62690, 87766, 219415, 438830, 445099, 890198, 2225495, 3115693, 4450990, 6231386, 15578465, 31156930]

約数ペア:

[(1, 31156930), (2, 15578465), (5, 6231386), (7, 4450990), (10, 3115693), (14, 2225495), (35, 890198), (70, 445099), (71, 438830), (142, 219415), (355, 87766), (497, 62690), (710, 43883), (994, 31345), (2485, 12538), (4970, 6269)]