657791264

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{121633}}^1$

素因数の和:121669

約数の個数: 36

約数和(自身を含む): 1402318386

約数和(自身を除く): 744527122

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5408, 121633, 243266, 486532, 973064, 1581229, 1946128, 3162458, 3892256, 6324916, 12649832, 20555977, 25299664, 41111954, 50599328, 82223908, 164447816, 328895632, 657791264]

約数ペア:

[(1, 657791264), (2, 328895632), (4, 164447816), (8, 82223908), (13, 50599328), (16, 41111954), (26, 25299664), (32, 20555977), (52, 12649832), (104, 6324916), (169, 3892256), (208, 3162458), (338, 1946128), (416, 1581229), (676, 973064), (1352, 486532), (2704, 243266), (5408, 121633)]