639233710

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2779277}}^1$

素因数の和:2779307

約数の個数: 16

約数和(自身を含む): 1200648096

約数和(自身を除く): 561414386

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 2779277, 5558554, 13896385, 27792770, 63923371, 127846742, 319616855, 639233710]

約数ペア:

[(1, 639233710), (2, 319616855), (5, 127846742), (10, 63923371), (23, 27792770), (46, 13896385), (115, 5558554), (230, 2779277)]