64811669

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 73785600

約数和(自身を除く): 8973931

約数列:

[1, 13, 31, 89, 139, 169, 403, 1157, 1807, 2759, 4309, 5239, 12371, 15041, 23491, 35867, 56017, 160823, 383501, 466271, 728221, 2090699, 4985513, 64811669]

約数ペア:

[(1, 64811669), (13, 4985513), (31, 2090699), (89, 728221), (139, 466271), (169, 383501), (403, 160823), (1157, 56017), (1807, 35867), (2759, 23491), (4309, 15041), (5239, 12371)]