870869285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71647}}^1$

素因数の和:71693

約数の個数: 32

約数和(自身を含む): 1299981312

約数和(自身を除く): 429112027

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2431, 12155, 71647, 358235, 788117, 931411, 1217999, 3940585, 4657055, 6089995, 10245521, 13397989, 15833987, 51227605, 66989945, 79169935, 174173857, 870869285]

約数ペア:

[(1, 870869285), (5, 174173857), (11, 79169935), (13, 66989945), (17, 51227605), (55, 15833987), (65, 13397989), (85, 10245521), (143, 6089995), (187, 4657055), (221, 3940585), (715, 1217999), (935, 931411), (1105, 788117), (2431, 358235), (12155, 71647)]