206810435

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 278190528

約数和(自身を除く): 71380093

約数列:

[1, 5, 13, 43, 61, 65, 215, 305, 559, 793, 1213, 2623, 2795, 3965, 6065, 13115, 15769, 34099, 52159, 73993, 78845, 170495, 260795, 369965, 678067, 961909, 3181699, 3390335, 4809545, 15908495, 41362087, 206810435]

約数ペア:

[(1, 206810435), (5, 41362087), (13, 15908495), (43, 4809545), (61, 3390335), (65, 3181699), (215, 961909), (305, 678067), (559, 369965), (793, 260795), (1213, 170495), (2623, 78845), (2795, 73993), (3965, 52159), (6065, 34099), (13115, 15769)]