217468385

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{6883}}^1$

素因数の和:7048

約数の個数: 16

約数和(自身を含む): 267649920

約数和(自身を除く): 50181535

約数列:

[1, 5, 71, 89, 355, 445, 6319, 6883, 31595, 34415, 488693, 612587, 2443465, 3062935, 43493677, 217468385]

約数ペア:

[(1, 217468385), (5, 43493677), (71, 3062935), (89, 2443465), (355, 612587), (445, 488693), (6319, 34415), (6883, 31595)]