551498255

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1021}}^1$

素因数の和:1128

約数の個数: 64

約数和(自身を含む): 875943936

約数和(自身を除く): 324445681

約数列:

[1, 5, 7, 11, 23, 35, 55, 61, 77, 115, 161, 253, 305, 385, 427, 671, 805, 1021, 1265, 1403, 1771, 2135, 3355, 4697, 5105, 7015, 7147, 8855, 9821, 11231, 15433, 23483, 23485, 35735, 49105, 56155, 62281, 77165, 78617, 108031, 117415, 164381, 258313, 311405, 393085, 435967, 540155, 685091, 821905, 1291565, 1432463, 1808191, 2179835, 3425455, 4795637, 7162315, 9040955, 10027241, 15757093, 23978185, 50136205, 78785465, 110299651, 551498255]

約数ペア:

[(1, 551498255), (5, 110299651), (7, 78785465), (11, 50136205), (23, 23978185), (35, 15757093), (55, 10027241), (61, 9040955), (77, 7162315), (115, 4795637), (161, 3425455), (253, 2179835), (305, 1808191), (385, 1432463), (427, 1291565), (671, 821905), (805, 685091), (1021, 540155), (1265, 435967), (1403, 393085), (1771, 311405), (2135, 258313), (3355, 164381), (4697, 117415), (5105, 108031), (7015, 78617), (7147, 77165), (8855, 62281), (9821, 56155), (11231, 49105), (15433, 35735), (23483, 23485)]