47349725

素因数分解:

$5^2\times {\mathrm{61}}^2\times {\mathrm{509}}^1$

素因数の和:641

約数の個数: 18

約数和(自身を含む): 59809230

約数和(自身を除く): 12459505

約数列:

[1, 5, 25, 61, 305, 509, 1525, 2545, 3721, 12725, 18605, 31049, 93025, 155245, 776225, 1893989, 9469945, 47349725]

約数ペア:

[(1, 47349725), (5, 9469945), (25, 1893989), (61, 776225), (305, 155245), (509, 93025), (1525, 31049), (2545, 18605), (3721, 12725)]