404538538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{2689}}^1$

素因数の和:2854

約数の個数: 32

約数和(自身を含む): 662385600

約数和(自身を除く): 257847062

約数列:

[1, 2, 19, 37, 38, 74, 107, 214, 703, 1406, 2033, 2689, 3959, 4066, 5378, 7918, 51091, 75221, 99493, 102182, 150442, 198986, 287723, 575446, 1890367, 3780734, 5466737, 10645751, 10933474, 21291502, 202269269, 404538538]

約数ペア:

[(1, 404538538), (2, 202269269), (19, 21291502), (37, 10933474), (38, 10645751), (74, 5466737), (107, 3780734), (214, 1890367), (703, 575446), (1406, 287723), (2033, 198986), (2689, 150442), (3959, 102182), (4066, 99493), (5378, 75221), (7918, 51091)]