209154712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{25457}}^1$

素因数の和:25555

約数の個数: 32

約数和(自身を含む): 427694400

約数和(自身を除く): 218539688

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 4108, 8216, 25457, 50914, 101828, 203656, 330941, 661882, 1323764, 2011103, 2647528, 4022206, 8044412, 16088824, 26144339, 52288678, 104577356, 209154712]

約数ペア:

[(1, 209154712), (2, 104577356), (4, 52288678), (8, 26144339), (13, 16088824), (26, 8044412), (52, 4022206), (79, 2647528), (104, 2011103), (158, 1323764), (316, 661882), (632, 330941), (1027, 203656), (2054, 101828), (4108, 50914), (8216, 25457)]