31430826

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{691}}^1$

素因数の和:744

約数の個数: 72

約数和(自身を含む): 82259424

約数和(自身を除く): 50828598

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 361, 399, 691, 722, 798, 1083, 1197, 1382, 2073, 2166, 2394, 2527, 3249, 4146, 4837, 5054, 6219, 6498, 7581, 9674, 12438, 13129, 14511, 15162, 22743, 26258, 29022, 39387, 43533, 45486, 78774, 87066, 91903, 118161, 183806, 236322, 249451, 275709, 498902, 551418, 748353, 827127, 1496706, 1654254, 1746157, 2245059, 3492314, 4490118, 5238471, 10476942, 15715413, 31430826]

約数ペア:

[(1, 31430826), (2, 15715413), (3, 10476942), (6, 5238471), (7, 4490118), (9, 3492314), (14, 2245059), (18, 1746157), (19, 1654254), (21, 1496706), (38, 827127), (42, 748353), (57, 551418), (63, 498902), (114, 275709), (126, 249451), (133, 236322), (171, 183806), (266, 118161), (342, 91903), (361, 87066), (399, 78774), (691, 45486), (722, 43533), (798, 39387), (1083, 29022), (1197, 26258), (1382, 22743), (2073, 15162), (2166, 14511), (2394, 13129), (2527, 12438), (3249, 9674), (4146, 7581), (4837, 6498), (5054, 6219)]