28908055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 39564288

約数和(自身を除く): 10656233

約数列:

[1, 5, 11, 47, 53, 55, 211, 235, 265, 517, 583, 1055, 2321, 2491, 2585, 2915, 9917, 11183, 11605, 12455, 27401, 49585, 55915, 109087, 123013, 137005, 525601, 545435, 615065, 2628005, 5781611, 28908055]

約数ペア:

[(1, 28908055), (5, 5781611), (11, 2628005), (47, 615065), (53, 545435), (55, 525601), (211, 137005), (235, 123013), (265, 109087), (517, 55915), (583, 49585), (1055, 27401), (2321, 12455), (2491, 11605), (2585, 11183), (2915, 9917)]