28271672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1901}}^1$

素因数の和:1944

約数の個数: 48

約数和(自身を含む): 62651880

約数和(自身を除く): 34380208

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 169, 286, 338, 572, 676, 1144, 1352, 1859, 1901, 3718, 3802, 7436, 7604, 14872, 15208, 20911, 24713, 41822, 49426, 83644, 98852, 167288, 197704, 271843, 321269, 543686, 642538, 1087372, 1285076, 2174744, 2570152, 3533959, 7067918, 14135836, 28271672]

約数ペア:

[(1, 28271672), (2, 14135836), (4, 7067918), (8, 3533959), (11, 2570152), (13, 2174744), (22, 1285076), (26, 1087372), (44, 642538), (52, 543686), (88, 321269), (104, 271843), (143, 197704), (169, 167288), (286, 98852), (338, 83644), (572, 49426), (676, 41822), (1144, 24713), (1352, 20911), (1859, 15208), (1901, 14872), (3718, 7604), (3802, 7436)]