189997388

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{307}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 411054336

約数和(自身を除く): 221056948

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 62, 92, 124, 161, 217, 307, 322, 434, 614, 644, 713, 868, 961, 1228, 1426, 1922, 2149, 2852, 3844, 4298, 4991, 6727, 7061, 8596, 9517, 9982, 13454, 14122, 19034, 19964, 22103, 26908, 28244, 38068, 44206, 49427, 66619, 88412, 98854, 133238, 154721, 197708, 218891, 266476, 295027, 309442, 437782, 590054, 618884, 875564, 1180108, 1532237, 2065189, 3064474, 4130378, 6128948, 6785621, 8260756, 13571242, 27142484, 47499347, 94998694, 189997388]

約数ペア:

[(1, 189997388), (2, 94998694), (4, 47499347), (7, 27142484), (14, 13571242), (23, 8260756), (28, 6785621), (31, 6128948), (46, 4130378), (62, 3064474), (92, 2065189), (124, 1532237), (161, 1180108), (217, 875564), (307, 618884), (322, 590054), (434, 437782), (614, 309442), (644, 295027), (713, 266476), (868, 218891), (961, 197708), (1228, 154721), (1426, 133238), (1922, 98854), (2149, 88412), (2852, 66619), (3844, 49427), (4298, 44206), (4991, 38068), (6727, 28244), (7061, 26908), (8596, 22103), (9517, 19964), (9982, 19034), (13454, 14122)]