1397943664

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{516991}}^1$

素因数の和:517025

約数の個数: 30

約数和(自身を含む): 2932895616

約数和(自身を除く): 1534951952

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 516991, 1033982, 2067964, 4135928, 6720883, 8271856, 13441766, 26883532, 53767064, 87371479, 107534128, 174742958, 349485916, 698971832, 1397943664]

約数ペア:

[(1, 1397943664), (2, 698971832), (4, 349485916), (8, 174742958), (13, 107534128), (16, 87371479), (26, 53767064), (52, 26883532), (104, 13441766), (169, 8271856), (208, 6720883), (338, 4135928), (676, 2067964), (1352, 1033982), (2704, 516991)]