13194995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 18247680

約数和(自身を除く): 5052685

約数列:

[1, 5, 11, 31, 55, 71, 109, 155, 341, 355, 545, 781, 1199, 1705, 2201, 3379, 3905, 5995, 7739, 11005, 16895, 24211, 37169, 38695, 85129, 121055, 185845, 239909, 425645, 1199545, 2638999, 13194995]

約数ペア:

[(1, 13194995), (5, 2638999), (11, 1199545), (31, 425645), (55, 239909), (71, 185845), (109, 121055), (155, 85129), (341, 38695), (355, 37169), (545, 24211), (781, 16895), (1199, 11005), (1705, 7739), (2201, 5995), (3379, 3905)]