251120072

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{809}}^1$

素因数の和:1086

約数の個数: 64

約数和(自身を含む): 564537600

約数和(自身を除く): 313417528

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 241, 322, 482, 644, 809, 964, 1288, 1618, 1687, 1928, 3236, 3374, 5543, 5663, 6472, 6748, 11086, 11326, 13496, 18607, 22172, 22652, 37214, 38801, 44344, 45304, 74428, 77602, 130249, 148856, 155204, 194969, 260498, 310408, 389938, 520996, 779876, 1041992, 1364783, 1559752, 2729566, 4484287, 5459132, 8968574, 10918264, 17937148, 31390009, 35874296, 62780018, 125560036, 251120072]

約数ペア:

[(1, 251120072), (2, 125560036), (4, 62780018), (7, 35874296), (8, 31390009), (14, 17937148), (23, 10918264), (28, 8968574), (46, 5459132), (56, 4484287), (92, 2729566), (161, 1559752), (184, 1364783), (241, 1041992), (322, 779876), (482, 520996), (644, 389938), (809, 310408), (964, 260498), (1288, 194969), (1618, 155204), (1687, 148856), (1928, 130249), (3236, 77602), (3374, 74428), (5543, 45304), (5663, 44344), (6472, 38801), (6748, 37214), (11086, 22652), (11326, 22172), (13496, 18607)]