16858996

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 37158912

約数和(自身を除く): 20299916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 127, 154, 254, 308, 431, 508, 862, 889, 1397, 1724, 1778, 2794, 3017, 3556, 4741, 5588, 6034, 9482, 9779, 12068, 18964, 19558, 33187, 39116, 54737, 66374, 109474, 132748, 218948, 383159, 602107, 766318, 1204214, 1532636, 2408428, 4214749, 8429498, 16858996]

約数ペア:

[(1, 16858996), (2, 8429498), (4, 4214749), (7, 2408428), (11, 1532636), (14, 1204214), (22, 766318), (28, 602107), (44, 383159), (77, 218948), (127, 132748), (154, 109474), (254, 66374), (308, 54737), (431, 39116), (508, 33187), (862, 19558), (889, 18964), (1397, 12068), (1724, 9779), (1778, 9482), (2794, 6034), (3017, 5588), (3556, 4741)]