64940486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{9497}}^1$

素因数の和:9775

約数の個数: 16

約数和(自身を含む): 105313824

約数和(自身を除く): 40373338

約数列:

[1, 2, 13, 26, 263, 526, 3419, 6838, 9497, 18994, 123461, 246922, 2497711, 4995422, 32470243, 64940486]

約数ペア:

[(1, 64940486), (2, 32470243), (13, 4995422), (26, 2497711), (263, 246922), (526, 123461), (3419, 18994), (6838, 9497)]