1643281664

素因数分解:

$2^8\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:875

約数の個数: 72

約数和(自身を含む): 3356656800

約数和(自身を除く): 1713375136

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 149, 256, 268, 298, 536, 596, 643, 1072, 1192, 1286, 2144, 2384, 2572, 4288, 4768, 5144, 8576, 9536, 9983, 10288, 17152, 19072, 19966, 20576, 38144, 39932, 41152, 43081, 79864, 82304, 86162, 95807, 159728, 164608, 172324, 191614, 319456, 344648, 383228, 638912, 689296, 766456, 1277824, 1378592, 1532912, 2555648, 2757184, 3065824, 5514368, 6131648, 6419069, 11028736, 12263296, 12838138, 24526592, 25676276, 51352552, 102705104, 205410208, 410820416, 821640832, 1643281664]

約数ペア:

[(1, 1643281664), (2, 821640832), (4, 410820416), (8, 205410208), (16, 102705104), (32, 51352552), (64, 25676276), (67, 24526592), (128, 12838138), (134, 12263296), (149, 11028736), (256, 6419069), (268, 6131648), (298, 5514368), (536, 3065824), (596, 2757184), (643, 2555648), (1072, 1532912), (1192, 1378592), (1286, 1277824), (2144, 766456), (2384, 689296), (2572, 638912), (4288, 383228), (4768, 344648), (5144, 319456), (8576, 191614), (9536, 172324), (9983, 164608), (10288, 159728), (17152, 95807), (19072, 86162), (19966, 82304), (20576, 79864), (38144, 43081), (39932, 41152)]