161569856

素因数分解:

$2^6\times 7^2\times {\mathrm{51521}}^1$

素因数の和:51547

約数の個数: 42

約数和(自身を含む): 372967758

約数和(自身を除く): 211397902

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 51521, 103042, 206084, 360647, 412168, 721294, 824336, 1442588, 1648672, 2524529, 2885176, 3297344, 5049058, 5770352, 10098116, 11540704, 20196232, 23081408, 40392464, 80784928, 161569856]

約数ペア:

[(1, 161569856), (2, 80784928), (4, 40392464), (7, 23081408), (8, 20196232), (14, 11540704), (16, 10098116), (28, 5770352), (32, 5049058), (49, 3297344), (56, 2885176), (64, 2524529), (98, 1648672), (112, 1442588), (196, 824336), (224, 721294), (392, 412168), (448, 360647), (784, 206084), (1568, 103042), (3136, 51521)]