31018764

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:835

約数の個数: 72

約数和(自身を含む): 85494528

約数和(自身を除く): 54475764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 71, 84, 98, 142, 147, 196, 213, 284, 294, 426, 497, 588, 743, 852, 994, 1486, 1491, 1988, 2229, 2972, 2982, 3479, 4458, 5201, 5964, 6958, 8916, 10402, 10437, 13916, 15603, 20804, 20874, 31206, 36407, 41748, 52753, 62412, 72814, 105506, 109221, 145628, 158259, 211012, 218442, 316518, 369271, 436884, 633036, 738542, 1107813, 1477084, 2215626, 2584897, 4431252, 5169794, 7754691, 10339588, 15509382, 31018764]

約数ペア:

[(1, 31018764), (2, 15509382), (3, 10339588), (4, 7754691), (6, 5169794), (7, 4431252), (12, 2584897), (14, 2215626), (21, 1477084), (28, 1107813), (42, 738542), (49, 633036), (71, 436884), (84, 369271), (98, 316518), (142, 218442), (147, 211012), (196, 158259), (213, 145628), (284, 109221), (294, 105506), (426, 72814), (497, 62412), (588, 52753), (743, 41748), (852, 36407), (994, 31206), (1486, 20874), (1491, 20804), (1988, 15603), (2229, 13916), (2972, 10437), (2982, 10402), (3479, 8916), (4458, 6958), (5201, 5964)]