66623975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 97493760

約数和(自身を除く): 30869785

約数列:

[1, 5, 11, 19, 25, 41, 55, 95, 205, 209, 275, 311, 451, 475, 779, 1025, 1045, 1555, 2255, 3421, 3895, 5225, 5909, 7775, 8569, 11275, 12751, 17105, 19475, 29545, 42845, 63755, 64999, 85525, 140261, 147725, 214225, 242269, 318775, 324995, 701305, 1211345, 1624975, 2664959, 3506525, 6056725, 13324795, 66623975]

約数ペア:

[(1, 66623975), (5, 13324795), (11, 6056725), (19, 3506525), (25, 2664959), (41, 1624975), (55, 1211345), (95, 701305), (205, 324995), (209, 318775), (275, 242269), (311, 214225), (451, 147725), (475, 140261), (779, 85525), (1025, 64999), (1045, 63755), (1555, 42845), (2255, 29545), (3421, 19475), (3895, 17105), (5225, 12751), (5909, 11275), (7775, 8569)]