28122224

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2551}}^1$

素因数の和:2625

約数の個数: 40

約数和(自身を含む): 59808672

約数和(自身を除く): 31686448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2551, 2756, 5102, 5512, 10204, 11024, 20408, 33163, 40816, 66326, 132652, 135203, 265304, 270406, 530608, 540812, 1081624, 1757639, 2163248, 3515278, 7030556, 14061112, 28122224]

約数ペア:

[(1, 28122224), (2, 14061112), (4, 7030556), (8, 3515278), (13, 2163248), (16, 1757639), (26, 1081624), (52, 540812), (53, 530608), (104, 270406), (106, 265304), (208, 135203), (212, 132652), (424, 66326), (689, 40816), (848, 33163), (1378, 20408), (2551, 11024), (2756, 10204), (5102, 5512)]