206920105

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{367}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 289336320

約数和(自身を除く): 82416215

約数列:

[1, 5, 7, 35, 89, 181, 367, 445, 623, 905, 1267, 1835, 2569, 3115, 6335, 12845, 16109, 32663, 66427, 80545, 112763, 163315, 228641, 332135, 464989, 563815, 1143205, 2324945, 5912003, 29560015, 41384021, 206920105]

約数ペア:

[(1, 206920105), (5, 41384021), (7, 29560015), (35, 5912003), (89, 2324945), (181, 1143205), (367, 563815), (445, 464989), (623, 332135), (905, 228641), (1267, 163315), (1835, 112763), (2569, 80545), (3115, 66427), (6335, 32663), (12845, 16109)]