168655788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1669}}^1$

素因数の和:2087

約数の個数: 72

約数和(自身を含む): 488735520

約数和(自身を除く): 320079732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 401, 802, 1203, 1604, 1669, 2406, 2807, 3338, 3609, 4812, 5007, 5614, 6676, 7218, 8421, 10014, 11228, 11683, 14436, 15021, 16842, 20028, 23366, 25263, 30042, 33684, 35049, 46732, 50526, 60084, 70098, 101052, 105147, 140196, 210294, 420588, 669269, 1338538, 2007807, 2677076, 4015614, 4684883, 6023421, 8031228, 9369766, 12046842, 14054649, 18739532, 24093684, 28109298, 42163947, 56218596, 84327894, 168655788]

約数ペア:

[(1, 168655788), (2, 84327894), (3, 56218596), (4, 42163947), (6, 28109298), (7, 24093684), (9, 18739532), (12, 14054649), (14, 12046842), (18, 9369766), (21, 8031228), (28, 6023421), (36, 4684883), (42, 4015614), (63, 2677076), (84, 2007807), (126, 1338538), (252, 669269), (401, 420588), (802, 210294), (1203, 140196), (1604, 105147), (1669, 101052), (2406, 70098), (2807, 60084), (3338, 50526), (3609, 46732), (4812, 35049), (5007, 33684), (5614, 30042), (6676, 25263), (7218, 23366), (8421, 20028), (10014, 16842), (11228, 15021), (11683, 14436)]