64564916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1931}}^1$

素因数の和:2591

約数の個数: 24

約数和(自身を含む): 121932384

約数和(自身を除く): 57367468

約数列:

[1, 2, 4, 13, 26, 52, 643, 1286, 1931, 2572, 3862, 7724, 8359, 16718, 25103, 33436, 50206, 100412, 1241633, 2483266, 4966532, 16141229, 32282458, 64564916]

約数ペア:

[(1, 64564916), (2, 32282458), (4, 16141229), (13, 4966532), (26, 2483266), (52, 1241633), (643, 100412), (1286, 50206), (1931, 33436), (2572, 25103), (3862, 16718), (7724, 8359)]