664838083

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{2441}}^1$

素因数の和:2575

約数の個数: 32

約数和(自身を含む): 850050432

約数和(自身を除く): 185212349

約数列:

[1, 7, 13, 41, 73, 91, 287, 511, 533, 949, 2441, 2993, 3731, 6643, 17087, 20951, 31733, 38909, 100081, 178193, 222131, 272363, 700567, 1247351, 1301053, 2316509, 7305913, 9107371, 16215563, 51141391, 94976869, 664838083]

約数ペア:

[(1, 664838083), (7, 94976869), (13, 51141391), (41, 16215563), (73, 9107371), (91, 7305913), (287, 2316509), (511, 1301053), (533, 1247351), (949, 700567), (2441, 272363), (2993, 222131), (3731, 178193), (6643, 100081), (17087, 38909), (20951, 31733)]