258997622

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{839}}^1$

素因数の和:1268

約数の個数: 32

約数和(自身を含む): 433520640

約数和(自身を除く): 174523018

約数列:

[1, 2, 13, 26, 31, 62, 383, 403, 766, 806, 839, 1678, 4979, 9958, 10907, 11873, 21814, 23746, 26009, 52018, 154349, 308698, 321337, 338117, 642674, 676234, 4177381, 8354762, 9961447, 19922894, 129498811, 258997622]

約数ペア:

[(1, 258997622), (2, 129498811), (13, 19922894), (26, 9961447), (31, 8354762), (62, 4177381), (383, 676234), (403, 642674), (766, 338117), (806, 321337), (839, 308698), (1678, 154349), (4979, 52018), (9958, 26009), (10907, 23746), (11873, 21814)]