81590615

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1\times {\mathrm{761}}^1$

素因数の和:1330

約数の個数: 16

約数和(自身を含む): 100620576

約数和(自身を除く): 19029961

約数列:

[1, 5, 41, 205, 523, 761, 2615, 3805, 21443, 31201, 107215, 156005, 398003, 1990015, 16318123, 81590615]

約数ペア:

[(1, 81590615), (5, 16318123), (41, 1990015), (205, 398003), (523, 156005), (761, 107215), (2615, 31201), (3805, 21443)]