128563708

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 282229920

約数和(自身を除く): 153666212

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 101, 169, 182, 202, 269, 338, 364, 404, 538, 676, 707, 1076, 1183, 1313, 1414, 1883, 2366, 2626, 2828, 3497, 3766, 4732, 5252, 6994, 7532, 9191, 13988, 17069, 18382, 24479, 27169, 34138, 36764, 45461, 48958, 54338, 68276, 90922, 97916, 108676, 119483, 181844, 190183, 238966, 318227, 353197, 380366, 477932, 636454, 706394, 760732, 1272908, 1412788, 2472379, 4591561, 4944758, 9183122, 9889516, 18366244, 32140927, 64281854, 128563708]

約数ペア:

[(1, 128563708), (2, 64281854), (4, 32140927), (7, 18366244), (13, 9889516), (14, 9183122), (26, 4944758), (28, 4591561), (52, 2472379), (91, 1412788), (101, 1272908), (169, 760732), (182, 706394), (202, 636454), (269, 477932), (338, 380366), (364, 353197), (404, 318227), (538, 238966), (676, 190183), (707, 181844), (1076, 119483), (1183, 108676), (1313, 97916), (1414, 90922), (1883, 68276), (2366, 54338), (2626, 48958), (2828, 45461), (3497, 36764), (3766, 34138), (4732, 27169), (5252, 24479), (6994, 18382), (7532, 17069), (9191, 13988)]