221738041

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{6659}}^1$

素因数の和:6804

約数の個数: 16

約数和(自身を含む): 260858880

約数和(自身を除く): 39120839

約数列:

[1, 7, 67, 71, 469, 497, 4757, 6659, 33299, 46613, 446153, 472789, 3123071, 3309523, 31676863, 221738041]

約数ペア:

[(1, 221738041), (7, 31676863), (67, 3309523), (71, 3123071), (469, 472789), (497, 446153), (4757, 46613), (6659, 33299)]