13251415

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 17915904

約数和(自身を除く): 4664489

約数列:

[1, 5, 17, 31, 47, 85, 107, 155, 235, 527, 535, 799, 1457, 1819, 2635, 3317, 3995, 5029, 7285, 9095, 16585, 24769, 25145, 56389, 85493, 123845, 155899, 281945, 427465, 779495, 2650283, 13251415]

約数ペア:

[(1, 13251415), (5, 2650283), (17, 779495), (31, 427465), (47, 281945), (85, 155899), (107, 123845), (155, 85493), (235, 56389), (527, 25145), (535, 24769), (799, 16585), (1457, 9095), (1819, 7285), (2635, 5029), (3317, 3995)]