30991004

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{5821}}^1$

素因数の和:5858

約数の個数: 24

約数和(自身を含む): 59663856

約数和(自身を除く): 28672852

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1331, 2662, 5324, 5821, 11642, 23284, 64031, 128062, 256124, 704341, 1408682, 2817364, 7747751, 15495502, 30991004]

約数ペア:

[(1, 30991004), (2, 15495502), (4, 7747751), (11, 2817364), (22, 1408682), (44, 704341), (121, 256124), (242, 128062), (484, 64031), (1331, 23284), (2662, 11642), (5324, 5821)]