639738

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{359}}^1$

素因数の和:384

約数の個数: 40

約数和(自身を含む): 1568160

約数和(自身を除く): 928422

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 297, 359, 594, 718, 891, 1077, 1782, 2154, 3231, 3949, 6462, 7898, 9693, 11847, 19386, 23694, 29079, 35541, 58158, 71082, 106623, 213246, 319869, 639738]

約数ペア:

[(1, 639738), (2, 319869), (3, 213246), (6, 106623), (9, 71082), (11, 58158), (18, 35541), (22, 29079), (27, 23694), (33, 19386), (54, 11847), (66, 9693), (81, 7898), (99, 6462), (162, 3949), (198, 3231), (297, 2154), (359, 1782), (594, 1077), (718, 891)]