28078092

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1663}}^1$

素因数の和:1747

約数の個数: 72

約数和(自身を含む): 82374656

約数和(自身を除く): 54296564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 67, 84, 126, 134, 201, 252, 268, 402, 469, 603, 804, 938, 1206, 1407, 1663, 1876, 2412, 2814, 3326, 4221, 4989, 5628, 6652, 8442, 9978, 11641, 14967, 16884, 19956, 23282, 29934, 34923, 46564, 59868, 69846, 104769, 111421, 139692, 209538, 222842, 334263, 419076, 445684, 668526, 779947, 1002789, 1337052, 1559894, 2005578, 2339841, 3119788, 4011156, 4679682, 7019523, 9359364, 14039046, 28078092]

約数ペア:

[(1, 28078092), (2, 14039046), (3, 9359364), (4, 7019523), (6, 4679682), (7, 4011156), (9, 3119788), (12, 2339841), (14, 2005578), (18, 1559894), (21, 1337052), (28, 1002789), (36, 779947), (42, 668526), (63, 445684), (67, 419076), (84, 334263), (126, 222842), (134, 209538), (201, 139692), (252, 111421), (268, 104769), (402, 69846), (469, 59868), (603, 46564), (804, 34923), (938, 29934), (1206, 23282), (1407, 19956), (1663, 16884), (1876, 14967), (2412, 11641), (2814, 9978), (3326, 8442), (4221, 6652), (4989, 5628)]