28893904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2621}}^1$

素因数の和:2695

約数の個数: 40

約数和(自身を含む): 61449192

約数和(自身を除く): 32555288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2621, 2756, 5242, 5512, 10484, 11024, 20968, 34073, 41936, 68146, 136292, 138913, 272584, 277826, 545168, 555652, 1111304, 1805869, 2222608, 3611738, 7223476, 14446952, 28893904]

約数ペア:

[(1, 28893904), (2, 14446952), (4, 7223476), (8, 3611738), (13, 2222608), (16, 1805869), (26, 1111304), (52, 555652), (53, 545168), (104, 277826), (106, 272584), (208, 138913), (212, 136292), (424, 68146), (689, 41936), (848, 34073), (1378, 20968), (2621, 11024), (2756, 10484), (5242, 5512)]