161561792

素因数分解:

$2^6\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2297}}^1$

素因数の和:2473

約数の個数: 56

約数和(自身を含む): 368893344

約数和(自身を除く): 207331552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 157, 224, 314, 448, 628, 1099, 1256, 2198, 2297, 2512, 4396, 4594, 5024, 8792, 9188, 10048, 16079, 17584, 18376, 32158, 35168, 36752, 64316, 70336, 73504, 128632, 147008, 257264, 360629, 514528, 721258, 1029056, 1442516, 2524403, 2885032, 5048806, 5770064, 10097612, 11540128, 20195224, 23080256, 40390448, 80780896, 161561792]

約数ペア:

[(1, 161561792), (2, 80780896), (4, 40390448), (7, 23080256), (8, 20195224), (14, 11540128), (16, 10097612), (28, 5770064), (32, 5048806), (56, 2885032), (64, 2524403), (112, 1442516), (157, 1029056), (224, 721258), (314, 514528), (448, 360629), (628, 257264), (1099, 147008), (1256, 128632), (2198, 73504), (2297, 70336), (2512, 64316), (4396, 36752), (4594, 35168), (5024, 32158), (8792, 18376), (9188, 17584), (10048, 16079)]