639754284

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{38327}}^1$

素因数の和:38454

約数の個数: 48

約数和(自身を含む): 1622654208

約数和(自身を除く): 982899924

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 107, 156, 214, 321, 428, 642, 1284, 1391, 2782, 4173, 5564, 8346, 16692, 38327, 76654, 114981, 153308, 229962, 459924, 498251, 996502, 1494753, 1993004, 2989506, 4100989, 5979012, 8201978, 12302967, 16403956, 24605934, 49211868, 53312857, 106625714, 159938571, 213251428, 319877142, 639754284]

約数ペア:

[(1, 639754284), (2, 319877142), (3, 213251428), (4, 159938571), (6, 106625714), (12, 53312857), (13, 49211868), (26, 24605934), (39, 16403956), (52, 12302967), (78, 8201978), (107, 5979012), (156, 4100989), (214, 2989506), (321, 1993004), (428, 1494753), (642, 996502), (1284, 498251), (1391, 459924), (2782, 229962), (4173, 153308), (5564, 114981), (8346, 76654), (16692, 38327)]