128030903

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 184246272

約数和(自身を除く): 56215369

約数列:

[1, 7, 11, 13, 23, 67, 77, 83, 91, 143, 161, 253, 299, 469, 581, 737, 871, 913, 1001, 1079, 1541, 1771, 1909, 2093, 3289, 5159, 5561, 6097, 6391, 7553, 9581, 10787, 11869, 13363, 16951, 20033, 20999, 23023, 24817, 38927, 61171, 67067, 72293, 83083, 118657, 127903, 140231, 146993, 173719, 220363, 272987, 428197, 506051, 795223, 895321, 1406933, 1542541, 1662739, 1910909, 5566561, 9848531, 11639173, 18290129, 128030903]

約数ペア:

[(1, 128030903), (7, 18290129), (11, 11639173), (13, 9848531), (23, 5566561), (67, 1910909), (77, 1662739), (83, 1542541), (91, 1406933), (143, 895321), (161, 795223), (253, 506051), (299, 428197), (469, 272987), (581, 220363), (737, 173719), (871, 146993), (913, 140231), (1001, 127903), (1079, 118657), (1541, 83083), (1771, 72293), (1909, 67067), (2093, 61171), (3289, 38927), (5159, 24817), (5561, 23023), (6097, 20999), (6391, 20033), (7553, 16951), (9581, 13363), (10787, 11869)]