28905006

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5531}}^1$

素因数の和:5616

約数の個数: 32

約数和(自身を含む): 63197568

約数和(自身を除く): 34292562

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 5226, 5531, 11062, 16593, 33186, 71903, 143806, 215709, 370577, 431418, 741154, 1111731, 2223462, 4817501, 9635002, 14452503, 28905006]

約数ペア:

[(1, 28905006), (2, 14452503), (3, 9635002), (6, 4817501), (13, 2223462), (26, 1111731), (39, 741154), (67, 431418), (78, 370577), (134, 215709), (201, 143806), (402, 71903), (871, 33186), (1742, 16593), (2613, 11062), (5226, 5531)]