129215548

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{821}}^1$

素因数の和:923

約数の個数: 72

約数和(自身を含む): 291244464

約数和(自身を除く): 162028916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 73, 77, 98, 146, 154, 196, 292, 308, 511, 539, 803, 821, 1022, 1078, 1606, 1642, 2044, 2156, 3212, 3284, 3577, 5621, 5747, 7154, 9031, 11242, 11494, 14308, 18062, 22484, 22988, 36124, 39347, 40229, 59933, 63217, 78694, 80458, 119866, 126434, 157388, 160916, 239732, 252868, 419531, 442519, 659263, 839062, 885038, 1318526, 1678124, 1770076, 2637052, 2936717, 4614841, 5873434, 9229682, 11746868, 18459364, 32303887, 64607774, 129215548]

約数ペア:

[(1, 129215548), (2, 64607774), (4, 32303887), (7, 18459364), (11, 11746868), (14, 9229682), (22, 5873434), (28, 4614841), (44, 2936717), (49, 2637052), (73, 1770076), (77, 1678124), (98, 1318526), (146, 885038), (154, 839062), (196, 659263), (292, 442519), (308, 419531), (511, 252868), (539, 239732), (803, 160916), (821, 157388), (1022, 126434), (1078, 119866), (1606, 80458), (1642, 78694), (2044, 63217), (2156, 59933), (3212, 40229), (3284, 39347), (3577, 36124), (5621, 22988), (5747, 22484), (7154, 18062), (9031, 14308), (11242, 11494)]