1640342392

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{1213271}}^1$

素因数の和:1213303

約数の個数: 24

約数和(自身を含む): 3330431640

約数和(自身を除く): 1690089248

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 1213271, 2426542, 4853084, 9706168, 15772523, 31545046, 63090092, 126180184, 205042799, 410085598, 820171196, 1640342392]

約数ペア:

[(1, 1640342392), (2, 820171196), (4, 410085598), (8, 205042799), (13, 126180184), (26, 63090092), (52, 31545046), (104, 15772523), (169, 9706168), (338, 4853084), (676, 2426542), (1352, 1213271)]