25381990

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 46738944

約数和(自身を除く): 21356954

約数列:

[1, 2, 5, 10, 97, 137, 191, 194, 274, 382, 485, 685, 955, 970, 1370, 1910, 13289, 18527, 26167, 26578, 37054, 52334, 66445, 92635, 130835, 132890, 185270, 261670, 2538199, 5076398, 12690995, 25381990]

約数ペア:

[(1, 25381990), (2, 12690995), (5, 5076398), (10, 2538199), (97, 261670), (137, 185270), (191, 132890), (194, 130835), (274, 92635), (382, 66445), (485, 52334), (685, 37054), (955, 26578), (970, 26167), (1370, 18527), (1910, 13289)]