71209728

素因数分解:

$2^8\times 3^2\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1050

約数の個数: 108

約数和(自身を含む): 212150848

約数和(自身を除く): 140941120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 558, 576, 744, 768, 992, 997, 1116, 1152, 1488, 1984, 1994, 2232, 2304, 2976, 2991, 3968, 3988, 4464, 5952, 5982, 7936, 7976, 8928, 8973, 11904, 11964, 15952, 17856, 17946, 23808, 23928, 30907, 31904, 35712, 35892, 47856, 61814, 63808, 71424, 71784, 92721, 95712, 123628, 127616, 143568, 185442, 191424, 247256, 255232, 278163, 287136, 370884, 382848, 494512, 556326, 574272, 741768, 765696, 989024, 1112652, 1148544, 1483536, 1978048, 2225304, 2297088, 2967072, 3956096, 4450608, 5934144, 7912192, 8901216, 11868288, 17802432, 23736576, 35604864, 71209728]

約数ペア:

[(1, 71209728), (2, 35604864), (3, 23736576), (4, 17802432), (6, 11868288), (8, 8901216), (9, 7912192), (12, 5934144), (16, 4450608), (18, 3956096), (24, 2967072), (31, 2297088), (32, 2225304), (36, 1978048), (48, 1483536), (62, 1148544), (64, 1112652), (72, 989024), (93, 765696), (96, 741768), (124, 574272), (128, 556326), (144, 494512), (186, 382848), (192, 370884), (248, 287136), (256, 278163), (279, 255232), (288, 247256), (372, 191424), (384, 185442), (496, 143568), (558, 127616), (576, 123628), (744, 95712), (768, 92721), (992, 71784), (997, 71424), (1116, 63808), (1152, 61814), (1488, 47856), (1984, 35892), (1994, 35712), (2232, 31904), (2304, 30907), (2976, 23928), (2991, 23808), (3968, 17946), (3988, 17856), (4464, 15952), (5952, 11964), (5982, 11904), (7936, 8973), (7976, 8928)]