20161218035

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1\times {\mathrm{40787}}^1$

素因数の和:41315

約数の個数: 32

約数和(自身を含む): 28662543360

約数和(自身を除く): 8501325325

約数列:

[1, 5, 7, 29, 35, 145, 203, 487, 1015, 2435, 3409, 14123, 17045, 40787, 70615, 98861, 203935, 285509, 494305, 1182823, 1427545, 5914115, 8279761, 19863269, 41398805, 99316345, 139042883, 576034801, 695214415, 2880174005, 4032243607, 20161218035]

約数ペア:

[(1, 20161218035), (5, 4032243607), (7, 2880174005), (29, 695214415), (35, 576034801), (145, 139042883), (203, 99316345), (487, 41398805), (1015, 19863269), (2435, 8279761), (3409, 5914115), (14123, 1427545), (17045, 1182823), (40787, 494305), (70615, 285509), (98861, 203935)]