197209945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{577}}^1\times {\mathrm{4021}}^1$

素因数の和:4620

約数の個数: 16

約数和(自身を含む): 251069328

約数和(自身を除く): 53859383

約数列:

[1, 5, 17, 85, 577, 2885, 4021, 9809, 20105, 49045, 68357, 341785, 2320117, 11600585, 39441989, 197209945]

約数ペア:

[(1, 197209945), (5, 39441989), (17, 11600585), (85, 2320117), (577, 341785), (2885, 68357), (4021, 49045), (9809, 20105)]