640797313

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{3697}}^1$

素因数の和:3976

約数の個数: 16

約数和(自身を含む): 704099200

約数和(自身を除く): 63301887

約数列:

[1, 13, 67, 199, 871, 2587, 3697, 13333, 48061, 173329, 247699, 735703, 3220087, 9564139, 49292101, 640797313]

約数ペア:

[(1, 640797313), (13, 49292101), (67, 9564139), (199, 3220087), (871, 735703), (2587, 247699), (3697, 173329), (13333, 48061)]