131020344

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19997}}^1$

素因数の和:20029

約数の個数: 96

約数和(自身を含む): 436756320

約数和(自身を除く): 305735976

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 104, 117, 126, 156, 168, 182, 234, 252, 273, 312, 364, 468, 504, 546, 728, 819, 936, 1092, 1638, 2184, 3276, 6552, 19997, 39994, 59991, 79988, 119982, 139979, 159976, 179973, 239964, 259961, 279958, 359946, 419937, 479928, 519922, 559916, 719892, 779883, 839874, 1039844, 1119832, 1259811, 1439784, 1559766, 1679748, 1819727, 2079688, 2339649, 2519622, 3119532, 3359496, 3639454, 4679298, 5039244, 5459181, 6239064, 7278908, 9358596, 10078488, 10918362, 14557816, 16377543, 18717192, 21836724, 32755086, 43673448, 65510172, 131020344]

約数ペア:

[(1, 131020344), (2, 65510172), (3, 43673448), (4, 32755086), (6, 21836724), (7, 18717192), (8, 16377543), (9, 14557816), (12, 10918362), (13, 10078488), (14, 9358596), (18, 7278908), (21, 6239064), (24, 5459181), (26, 5039244), (28, 4679298), (36, 3639454), (39, 3359496), (42, 3119532), (52, 2519622), (56, 2339649), (63, 2079688), (72, 1819727), (78, 1679748), (84, 1559766), (91, 1439784), (104, 1259811), (117, 1119832), (126, 1039844), (156, 839874), (168, 779883), (182, 719892), (234, 559916), (252, 519922), (273, 479928), (312, 419937), (364, 359946), (468, 279958), (504, 259961), (546, 239964), (728, 179973), (819, 159976), (936, 139979), (1092, 119982), (1638, 79988), (2184, 59991), (3276, 39994), (6552, 19997)]