199878835

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{5501}}^1$

素因数の和:5575

約数の個数: 24

約数和(自身を含む): 265812624

約数和(自身を除く): 65933789

約数列:

[1, 5, 13, 43, 65, 169, 215, 559, 845, 2795, 5501, 7267, 27505, 36335, 71513, 236543, 357565, 929669, 1182715, 3075059, 4648345, 15375295, 39975767, 199878835]

約数ペア:

[(1, 199878835), (5, 39975767), (13, 15375295), (43, 4648345), (65, 3075059), (169, 1182715), (215, 929669), (559, 357565), (845, 236543), (2795, 71513), (5501, 36335), (7267, 27505)]