28294288

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{431}}^1$

素因数の和:823

約数の個数: 40

約数和(自身を含む): 60103296

約数和(自身を除く): 31809008

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 373, 431, 746, 862, 1492, 1724, 2984, 3448, 4103, 4741, 5968, 6896, 8206, 9482, 16412, 18964, 32824, 37928, 65648, 75856, 160763, 321526, 643052, 1286104, 1768393, 2572208, 3536786, 7073572, 14147144, 28294288]

約数ペア:

[(1, 28294288), (2, 14147144), (4, 7073572), (8, 3536786), (11, 2572208), (16, 1768393), (22, 1286104), (44, 643052), (88, 321526), (176, 160763), (373, 75856), (431, 65648), (746, 37928), (862, 32824), (1492, 18964), (1724, 16412), (2984, 9482), (3448, 8206), (4103, 6896), (4741, 5968)]