2689849168

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{88903}}^1$

素因数の和:89003

約数の個数: 40

約数和(自身を含む): 5467951616

約数和(自身を除く): 2778102448

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 976, 1891, 3782, 7564, 15128, 30256, 88903, 177806, 355612, 711224, 1422448, 2755993, 5423083, 5511986, 10846166, 11023972, 21692332, 22047944, 43384664, 44095888, 86769328, 168115573, 336231146, 672462292, 1344924584, 2689849168]

約数ペア:

[(1, 2689849168), (2, 1344924584), (4, 672462292), (8, 336231146), (16, 168115573), (31, 86769328), (61, 44095888), (62, 43384664), (122, 22047944), (124, 21692332), (244, 11023972), (248, 10846166), (488, 5511986), (496, 5423083), (976, 2755993), (1891, 1422448), (3782, 711224), (7564, 355612), (15128, 177806), (30256, 88903)]