188710431

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{4973}}^1$

素因数の和:5135

約数の個数: 32

約数和(自身を含む): 311969280

約数和(自身を除く): 123258849

約数列:

[1, 3, 7, 13, 21, 39, 91, 139, 273, 417, 973, 1807, 2919, 4973, 5421, 12649, 14919, 34811, 37947, 64649, 104433, 193947, 452543, 691247, 1357629, 2073741, 4838729, 8986211, 14516187, 26958633, 62903477, 188710431]

約数ペア:

[(1, 188710431), (3, 62903477), (7, 26958633), (13, 14516187), (21, 8986211), (39, 4838729), (91, 2073741), (139, 1357629), (273, 691247), (417, 452543), (973, 193947), (1807, 104433), (2919, 64649), (4973, 37947), (5421, 34811), (12649, 14919)]