208734548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{353}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 406788480

約数和(自身を除く): 198053932

約数列:

[1, 2, 4, 11, 22, 44, 89, 151, 178, 302, 353, 356, 604, 706, 979, 1412, 1661, 1958, 3322, 3883, 3916, 6644, 7766, 13439, 15532, 26878, 31417, 53303, 53756, 62834, 106606, 125668, 147829, 213212, 295658, 345587, 586333, 591316, 691174, 1172666, 1382348, 2345332, 4743967, 9487934, 18975868, 52183637, 104367274, 208734548]

約数ペア:

[(1, 208734548), (2, 104367274), (4, 52183637), (11, 18975868), (22, 9487934), (44, 4743967), (89, 2345332), (151, 1382348), (178, 1172666), (302, 691174), (353, 591316), (356, 586333), (604, 345587), (706, 295658), (979, 213212), (1412, 147829), (1661, 125668), (1958, 106606), (3322, 62834), (3883, 53756), (3916, 53303), (6644, 31417), (7766, 26878), (13439, 15532)]