66438970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{39313}}^1$

素因数の和:39346

約数の個数: 24

約数和(自身を含む): 129500316

約数和(自身を除く): 63061346

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 39313, 78626, 196565, 393130, 511069, 1022138, 2555345, 5110690, 6643897, 13287794, 33219485, 66438970]

約数ペア:

[(1, 66438970), (2, 33219485), (5, 13287794), (10, 6643897), (13, 5110690), (26, 2555345), (65, 1022138), (130, 511069), (169, 393130), (338, 196565), (845, 78626), (1690, 39313)]