207815405

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 292135680

約数和(自身を除く): 84320275

約数列:

[1, 5, 7, 35, 59, 157, 295, 413, 641, 785, 1099, 2065, 3205, 4487, 5495, 9263, 22435, 37819, 46315, 64841, 100637, 189095, 264733, 324205, 503185, 704459, 1323665, 3522295, 5937583, 29687915, 41563081, 207815405]

約数ペア:

[(1, 207815405), (5, 41563081), (7, 29687915), (35, 5937583), (59, 3522295), (157, 1323665), (295, 704459), (413, 503185), (641, 324205), (785, 264733), (1099, 189095), (2065, 100637), (3205, 64841), (4487, 46315), (5495, 37819), (9263, 22435)]