1971979688

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{36643}}^1$

素因数の和:36718

約数の個数: 48

約数和(自身を含む): 4366499040

約数和(自身を除く): 2394519352

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 961, 1736, 1922, 3844, 6727, 7688, 13454, 26908, 36643, 53816, 73286, 146572, 256501, 293144, 513002, 1026004, 1135933, 2052008, 2271866, 4543732, 7951531, 9087464, 15903062, 31806124, 35213923, 63612248, 70427846, 140855692, 246497461, 281711384, 492994922, 985989844, 1971979688]

約数ペア:

[(1, 1971979688), (2, 985989844), (4, 492994922), (7, 281711384), (8, 246497461), (14, 140855692), (28, 70427846), (31, 63612248), (56, 35213923), (62, 31806124), (124, 15903062), (217, 9087464), (248, 7951531), (434, 4543732), (868, 2271866), (961, 2052008), (1736, 1135933), (1922, 1026004), (3844, 513002), (6727, 293144), (7688, 256501), (13454, 146572), (26908, 73286), (36643, 53816)]