28202636

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 63737856

約数和(自身を除く): 35535220

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 103, 127, 154, 196, 206, 254, 308, 412, 508, 539, 721, 889, 1078, 1133, 1397, 1442, 1778, 2156, 2266, 2794, 2884, 3556, 4532, 5047, 5588, 6223, 7931, 9779, 10094, 12446, 13081, 15862, 19558, 20188, 24892, 26162, 31724, 39116, 52324, 55517, 68453, 91567, 111034, 136906, 143891, 183134, 222068, 273812, 287782, 366268, 575564, 640969, 1007237, 1281938, 2014474, 2563876, 4028948, 7050659, 14101318, 28202636]

約数ペア:

[(1, 28202636), (2, 14101318), (4, 7050659), (7, 4028948), (11, 2563876), (14, 2014474), (22, 1281938), (28, 1007237), (44, 640969), (49, 575564), (77, 366268), (98, 287782), (103, 273812), (127, 222068), (154, 183134), (196, 143891), (206, 136906), (254, 111034), (308, 91567), (412, 68453), (508, 55517), (539, 52324), (721, 39116), (889, 31724), (1078, 26162), (1133, 24892), (1397, 20188), (1442, 19558), (1778, 15862), (2156, 13081), (2266, 12446), (2794, 10094), (2884, 9779), (3556, 7931), (4532, 6223), (5047, 5588)]