218393728

素因数分解:

$2^7\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3433}}^1$

素因数の和:3525

約数の個数: 64

約数和(自身を含む): 504385920

約数和(自身を除く): 285992192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 284, 448, 497, 568, 896, 994, 1136, 1988, 2272, 3433, 3976, 4544, 6866, 7952, 9088, 13732, 15904, 24031, 27464, 31808, 48062, 54928, 63616, 96124, 109856, 192248, 219712, 243743, 384496, 439424, 487486, 768992, 974972, 1537984, 1706201, 1949944, 3075968, 3412402, 3899888, 6824804, 7799776, 13649608, 15599552, 27299216, 31199104, 54598432, 109196864, 218393728]

約数ペア:

[(1, 218393728), (2, 109196864), (4, 54598432), (7, 31199104), (8, 27299216), (14, 15599552), (16, 13649608), (28, 7799776), (32, 6824804), (56, 3899888), (64, 3412402), (71, 3075968), (112, 1949944), (128, 1706201), (142, 1537984), (224, 974972), (284, 768992), (448, 487486), (497, 439424), (568, 384496), (896, 243743), (994, 219712), (1136, 192248), (1988, 109856), (2272, 96124), (3433, 63616), (3976, 54928), (4544, 48062), (6866, 31808), (7952, 27464), (9088, 24031), (13732, 15904)]