31278712

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{389}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 64701000

約数和(自身を除く): 33422288

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 389, 437, 529, 778, 874, 1058, 1556, 1748, 2116, 3112, 3496, 4232, 7391, 8947, 10051, 14782, 17894, 20102, 29564, 35788, 40204, 59128, 71576, 80408, 169993, 205781, 339986, 411562, 679972, 823124, 1359944, 1646248, 3909839, 7819678, 15639356, 31278712]

約数ペア:

[(1, 31278712), (2, 15639356), (4, 7819678), (8, 3909839), (19, 1646248), (23, 1359944), (38, 823124), (46, 679972), (76, 411562), (92, 339986), (152, 205781), (184, 169993), (389, 80408), (437, 71576), (529, 59128), (778, 40204), (874, 35788), (1058, 29564), (1556, 20102), (1748, 17894), (2116, 14782), (3112, 10051), (3496, 8947), (4232, 7391)]