12749575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 16940880

約数和(自身を除く): 4191305

約数列:

[1, 5, 17, 25, 85, 131, 229, 425, 655, 1145, 2227, 3275, 3893, 5725, 11135, 19465, 29999, 55675, 97325, 149995, 509983, 749975, 2549915, 12749575]

約数ペア:

[(1, 12749575), (5, 2549915), (17, 749975), (25, 509983), (85, 149995), (131, 97325), (229, 55675), (425, 29999), (655, 19465), (1145, 11135), (2227, 5725), (3275, 3893)]