69721475

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 88796400

約数和(自身を除く): 19074925

約数列:

[1, 5, 25, 61, 131, 305, 349, 655, 1525, 1745, 3275, 7991, 8725, 21289, 39955, 45719, 106445, 199775, 228595, 532225, 1142975, 2788859, 13944295, 69721475]

約数ペア:

[(1, 69721475), (5, 13944295), (25, 2788859), (61, 1142975), (131, 532225), (305, 228595), (349, 199775), (655, 106445), (1525, 45719), (1745, 39955), (3275, 21289), (7991, 8725)]