990573008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{601}}^1\times {\mathrm{3323}}^1$

素因数の和:3963

約数の個数: 40

約数和(自身を含む): 1985039616

約数和(自身を除く): 994466608

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 601, 1202, 2404, 3323, 4808, 6646, 9616, 13292, 18631, 26584, 37262, 53168, 74524, 103013, 149048, 206026, 298096, 412052, 824104, 1648208, 1997123, 3994246, 7988492, 15976984, 31953968, 61910813, 123821626, 247643252, 495286504, 990573008]

約数ペア:

[(1, 990573008), (2, 495286504), (4, 247643252), (8, 123821626), (16, 61910813), (31, 31953968), (62, 15976984), (124, 7988492), (248, 3994246), (496, 1997123), (601, 1648208), (1202, 824104), (2404, 412052), (3323, 298096), (4808, 206026), (6646, 149048), (9616, 103013), (13292, 74524), (18631, 53168), (26584, 37262)]