217306369

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{8597}}^1$

素因数の和:8784

約数の個数: 16

約数和(自身を含む): 260828928

約数和(自身を除く): 43522559

約数列:

[1, 7, 23, 157, 161, 1099, 3611, 8597, 25277, 60179, 197731, 1349729, 1384117, 9448103, 31043767, 217306369]

約数ペア:

[(1, 217306369), (7, 31043767), (23, 9448103), (157, 1384117), (161, 1349729), (1099, 197731), (3611, 60179), (8597, 25277)]