31907988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1141

約数の個数: 72

約数和(自身を含む): 92997632

約数和(自身を除く): 61089644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 127, 252, 254, 381, 508, 762, 889, 997, 1143, 1524, 1778, 1994, 2286, 2667, 2991, 3556, 3988, 4572, 5334, 5982, 6979, 8001, 8973, 10668, 11964, 13958, 16002, 17946, 20937, 27916, 32004, 35892, 41874, 62811, 83748, 125622, 126619, 251244, 253238, 379857, 506476, 759714, 886333, 1139571, 1519428, 1772666, 2279142, 2658999, 3545332, 4558284, 5317998, 7976997, 10635996, 15953994, 31907988]

約数ペア:

[(1, 31907988), (2, 15953994), (3, 10635996), (4, 7976997), (6, 5317998), (7, 4558284), (9, 3545332), (12, 2658999), (14, 2279142), (18, 1772666), (21, 1519428), (28, 1139571), (36, 886333), (42, 759714), (63, 506476), (84, 379857), (126, 253238), (127, 251244), (252, 126619), (254, 125622), (381, 83748), (508, 62811), (762, 41874), (889, 35892), (997, 32004), (1143, 27916), (1524, 20937), (1778, 17946), (1994, 16002), (2286, 13958), (2667, 11964), (2991, 10668), (3556, 8973), (3988, 8001), (4572, 6979), (5334, 5982)]