28243072

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1543}}^1$

素因数の和:1581

約数の個数: 64

約数和(自身を含む): 66144960

約数和(自身を除く): 37901888

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1144, 1408, 1543, 1664, 2288, 3086, 4576, 6172, 9152, 12344, 16973, 18304, 20059, 24688, 33946, 40118, 49376, 67892, 80236, 98752, 135784, 160472, 197504, 220649, 271568, 320944, 441298, 543136, 641888, 882596, 1086272, 1283776, 1765192, 2172544, 2567552, 3530384, 7060768, 14121536, 28243072]

約数ペア:

[(1, 28243072), (2, 14121536), (4, 7060768), (8, 3530384), (11, 2567552), (13, 2172544), (16, 1765192), (22, 1283776), (26, 1086272), (32, 882596), (44, 641888), (52, 543136), (64, 441298), (88, 320944), (104, 271568), (128, 220649), (143, 197504), (176, 160472), (208, 135784), (286, 98752), (352, 80236), (416, 67892), (572, 49376), (704, 40118), (832, 33946), (1144, 24688), (1408, 20059), (1543, 18304), (1664, 16973), (2288, 12344), (3086, 9152), (4576, 6172)]