203646989

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:562

約数の個数: 32

約数和(自身を含む): 258720000

約数和(自身を除く): 55073011

約数列:

[1, 7, 13, 49, 91, 109, 343, 419, 637, 763, 1417, 2933, 4459, 5341, 5447, 9919, 20531, 37387, 38129, 45671, 69433, 143717, 266903, 319697, 486031, 593723, 1868321, 2237879, 4156061, 15665153, 29092427, 203646989]

約数ペア:

[(1, 203646989), (7, 29092427), (13, 15665153), (49, 4156061), (91, 2237879), (109, 1868321), (343, 593723), (419, 486031), (637, 319697), (763, 266903), (1417, 143717), (2933, 69433), (4459, 45671), (5341, 38129), (5447, 37387), (9919, 20531)]