81141144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1553}}^1$

素因数の和:1880

約数の個数: 64

約数和(自身を含む): 232727040

約数和(自身を除く): 151585896

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 311, 622, 933, 1244, 1553, 1866, 2177, 2488, 3106, 3732, 4354, 4659, 6212, 6531, 7464, 8708, 9318, 10871, 12424, 13062, 17416, 18636, 21742, 26124, 32613, 37272, 43484, 52248, 65226, 86968, 130452, 260904, 482983, 965966, 1448949, 1931932, 2897898, 3380881, 3863864, 5795796, 6761762, 10142643, 11591592, 13523524, 20285286, 27047048, 40570572, 81141144]

約数ペア:

[(1, 81141144), (2, 40570572), (3, 27047048), (4, 20285286), (6, 13523524), (7, 11591592), (8, 10142643), (12, 6761762), (14, 5795796), (21, 3863864), (24, 3380881), (28, 2897898), (42, 1931932), (56, 1448949), (84, 965966), (168, 482983), (311, 260904), (622, 130452), (933, 86968), (1244, 65226), (1553, 52248), (1866, 43484), (2177, 37272), (2488, 32613), (3106, 26124), (3732, 21742), (4354, 18636), (4659, 17416), (6212, 13062), (6531, 12424), (7464, 10871), (8708, 9318)]