199173650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{306421}}^1$

素因数の和:306446

約数の個数: 24

約数和(自身を含む): 398961444

約数和(自身を除く): 199787794

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 306421, 612842, 1532105, 3064210, 3983473, 7660525, 7966946, 15321050, 19917365, 39834730, 99586825, 199173650]

約数ペア:

[(1, 199173650), (2, 99586825), (5, 39834730), (10, 19917365), (13, 15321050), (25, 7966946), (26, 7660525), (50, 3983473), (65, 3064210), (130, 1532105), (325, 612842), (650, 306421)]