164002048

素因数分解:

$2^8\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1383

約数の個数: 72

約数和(自身を含む): 379693440

約数和(自身を除く): 215691392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 256, 284, 448, 497, 568, 896, 994, 1136, 1289, 1792, 1988, 2272, 2578, 3976, 4544, 5156, 7952, 9023, 9088, 10312, 15904, 18046, 18176, 20624, 31808, 36092, 41248, 63616, 72184, 82496, 91519, 127232, 144368, 164992, 183038, 288736, 329984, 366076, 577472, 640633, 732152, 1154944, 1281266, 1464304, 2309888, 2562532, 2928608, 5125064, 5857216, 10250128, 11714432, 20500256, 23428864, 41000512, 82001024, 164002048]

約数ペア:

[(1, 164002048), (2, 82001024), (4, 41000512), (7, 23428864), (8, 20500256), (14, 11714432), (16, 10250128), (28, 5857216), (32, 5125064), (56, 2928608), (64, 2562532), (71, 2309888), (112, 1464304), (128, 1281266), (142, 1154944), (224, 732152), (256, 640633), (284, 577472), (448, 366076), (497, 329984), (568, 288736), (896, 183038), (994, 164992), (1136, 144368), (1289, 127232), (1792, 91519), (1988, 82496), (2272, 72184), (2578, 63616), (3976, 41248), (4544, 36092), (5156, 31808), (7952, 20624), (9023, 18176), (9088, 18046), (10312, 15904)]