161963648

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16433}}^1$

素因数の和:16465

約数の個数: 64

約数和(自身を含む): 402304320

約数和(自身を除く): 240340672

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 308, 352, 448, 616, 704, 896, 1232, 1408, 2464, 4928, 9856, 16433, 32866, 65732, 115031, 131464, 180763, 230062, 262928, 361526, 460124, 525856, 723052, 920248, 1051712, 1265341, 1446104, 1840496, 2103424, 2530682, 2892208, 3680992, 5061364, 5784416, 7361984, 10122728, 11568832, 14723968, 20245456, 23137664, 40490912, 80981824, 161963648]

約数ペア:

[(1, 161963648), (2, 80981824), (4, 40490912), (7, 23137664), (8, 20245456), (11, 14723968), (14, 11568832), (16, 10122728), (22, 7361984), (28, 5784416), (32, 5061364), (44, 3680992), (56, 2892208), (64, 2530682), (77, 2103424), (88, 1840496), (112, 1446104), (128, 1265341), (154, 1051712), (176, 920248), (224, 723052), (308, 525856), (352, 460124), (448, 361526), (616, 262928), (704, 230062), (896, 180763), (1232, 131464), (1408, 115031), (2464, 65732), (4928, 32866), (9856, 16433)]