408689690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{3637}}^1$

素因数の和:4322

約数の個数: 32

約数和(自身を含む): 780307344

約数和(自身を除く): 371617654

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 661, 1322, 3305, 3637, 6610, 7274, 11237, 18185, 22474, 36370, 56185, 61829, 112370, 123658, 309145, 618290, 2404057, 4808114, 12020285, 24040570, 40868969, 81737938, 204344845, 408689690]

約数ペア:

[(1, 408689690), (2, 204344845), (5, 81737938), (10, 40868969), (17, 24040570), (34, 12020285), (85, 4808114), (170, 2404057), (661, 618290), (1322, 309145), (3305, 123658), (3637, 112370), (6610, 61829), (7274, 56185), (11237, 36370), (18185, 22474)]