30781712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1783}}^1$

素因数の和:1887

約数の個数: 40

約数和(自身を含む): 65037504

約数和(自身を除く): 34255792

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 1079, 1328, 1783, 2158, 3566, 4316, 7132, 8632, 14264, 17264, 23179, 28528, 46358, 92716, 147989, 185432, 295978, 370864, 591956, 1183912, 1923857, 2367824, 3847714, 7695428, 15390856, 30781712]

約数ペア:

[(1, 30781712), (2, 15390856), (4, 7695428), (8, 3847714), (13, 2367824), (16, 1923857), (26, 1183912), (52, 591956), (83, 370864), (104, 295978), (166, 185432), (208, 147989), (332, 92716), (664, 46358), (1079, 28528), (1328, 23179), (1783, 17264), (2158, 14264), (3566, 8632), (4316, 7132)]