16665678

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 38666160

約数和(自身を除く): 22000482

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 107, 153, 214, 306, 321, 509, 642, 963, 1018, 1527, 1819, 1926, 3054, 3638, 4581, 5457, 8653, 9162, 10914, 16371, 17306, 25959, 32742, 51918, 54463, 77877, 108926, 155754, 163389, 326778, 490167, 925871, 980334, 1851742, 2777613, 5555226, 8332839, 16665678]

約数ペア:

[(1, 16665678), (2, 8332839), (3, 5555226), (6, 2777613), (9, 1851742), (17, 980334), (18, 925871), (34, 490167), (51, 326778), (102, 163389), (107, 155754), (153, 108926), (214, 77877), (306, 54463), (321, 51918), (509, 32742), (642, 25959), (963, 17306), (1018, 16371), (1527, 10914), (1819, 9162), (1926, 8653), (3054, 5457), (3638, 4581)]