127831912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{7829}}^1$

素因数の和:8005

約数の個数: 32

約数和(自身を含む): 259799400

約数和(自身を除く): 131967488

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 157, 314, 628, 1256, 2041, 4082, 7829, 8164, 15658, 16328, 31316, 62632, 101777, 203554, 407108, 814216, 1229153, 2458306, 4916612, 9833224, 15978989, 31957978, 63915956, 127831912]

約数ペア:

[(1, 127831912), (2, 63915956), (4, 31957978), (8, 15978989), (13, 9833224), (26, 4916612), (52, 2458306), (104, 1229153), (157, 814216), (314, 407108), (628, 203554), (1256, 101777), (2041, 62632), (4082, 31316), (7829, 16328), (8164, 15658)]