28179396

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1669}}^1$

素因数の和:1753

約数の個数: 72

約数和(自身を含む): 82671680

約数和(自身を除く): 54492284

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, 1669, 1876, 2412, 2814, 3338, 4221, 5007, 5628, 6676, 8442, 10014, 11683, 15021, 16884, 20028, 23366, 30042, 35049, 46732, 60084, 70098, 105147, 111823, 140196, 210294, 223646, 335469, 420588, 447292, 670938, 782761, 1006407, 1341876, 1565522, 2012814, 2348283, 3131044, 4025628, 4696566, 7044849, 9393132, 14089698, 28179396]

約数ペア:

[(1, 28179396), (2, 14089698), (3, 9393132), (4, 7044849), (6, 4696566), (7, 4025628), (9, 3131044), (12, 2348283), (14, 2012814), (18, 1565522), (21, 1341876), (28, 1006407), (36, 782761), (42, 670938), (63, 447292), (67, 420588), (84, 335469), (126, 223646), (134, 210294), (201, 140196), (252, 111823), (268, 105147), (402, 70098), (469, 60084), (603, 46732), (804, 35049), (938, 30042), (1206, 23366), (1407, 20028), (1669, 16884), (1876, 15021), (2412, 11683), (2814, 10014), (3338, 8442), (4221, 6676), (5007, 5628)]