87473988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4889}}^1$

素因数の和:4977

約数の個数: 72

約数和(自身を含む): 256314240

約数和(自身を除く): 168840252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 213, 252, 284, 426, 497, 639, 852, 994, 1278, 1491, 1988, 2556, 2982, 4473, 4889, 5964, 8946, 9778, 14667, 17892, 19556, 29334, 34223, 44001, 58668, 68446, 88002, 102669, 136892, 176004, 205338, 308007, 347119, 410676, 616014, 694238, 1041357, 1232028, 1388476, 2082714, 2429833, 3124071, 4165428, 4859666, 6248142, 7289499, 9719332, 12496284, 14578998, 21868497, 29157996, 43736994, 87473988]

約数ペア:

[(1, 87473988), (2, 43736994), (3, 29157996), (4, 21868497), (6, 14578998), (7, 12496284), (9, 9719332), (12, 7289499), (14, 6248142), (18, 4859666), (21, 4165428), (28, 3124071), (36, 2429833), (42, 2082714), (63, 1388476), (71, 1232028), (84, 1041357), (126, 694238), (142, 616014), (213, 410676), (252, 347119), (284, 308007), (426, 205338), (497, 176004), (639, 136892), (852, 102669), (994, 88002), (1278, 68446), (1491, 58668), (1988, 44001), (2556, 34223), (2982, 29334), (4473, 19556), (4889, 17892), (5964, 14667), (8946, 9778)]