81959808

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{30491}}^1$

素因数の和:30515

約数の個数: 64

約数和(自身を含む): 248814720

約数和(自身を除く): 166854912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 30491, 60982, 91473, 121964, 182946, 213437, 243928, 365892, 426874, 487856, 640311, 731784, 853748, 975712, 1280622, 1463568, 1707496, 1951424, 2561244, 2927136, 3414992, 3902848, 5122488, 5854272, 6829984, 10244976, 11708544, 13659968, 20489952, 27319936, 40979904, 81959808]

約数ペア:

[(1, 81959808), (2, 40979904), (3, 27319936), (4, 20489952), (6, 13659968), (7, 11708544), (8, 10244976), (12, 6829984), (14, 5854272), (16, 5122488), (21, 3902848), (24, 3414992), (28, 2927136), (32, 2561244), (42, 1951424), (48, 1707496), (56, 1463568), (64, 1280622), (84, 975712), (96, 853748), (112, 731784), (128, 640311), (168, 487856), (192, 426874), (224, 365892), (336, 243928), (384, 213437), (448, 182946), (672, 121964), (896, 91473), (1344, 60982), (2688, 30491)]