161437528

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2137}}^1$

素因数の和:2240

約数の個数: 64

約数和(自身を含む): 369446400

約数和(自身を除く): 208008872

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 71, 76, 133, 142, 152, 266, 284, 497, 532, 568, 994, 1064, 1349, 1988, 2137, 2698, 3976, 4274, 5396, 8548, 9443, 10792, 14959, 17096, 18886, 29918, 37772, 40603, 59836, 75544, 81206, 119672, 151727, 162412, 284221, 303454, 324824, 568442, 606908, 1062089, 1136884, 1213816, 2124178, 2273768, 2882813, 4248356, 5765626, 8496712, 11531252, 20179691, 23062504, 40359382, 80718764, 161437528]

約数ペア:

[(1, 161437528), (2, 80718764), (4, 40359382), (7, 23062504), (8, 20179691), (14, 11531252), (19, 8496712), (28, 5765626), (38, 4248356), (56, 2882813), (71, 2273768), (76, 2124178), (133, 1213816), (142, 1136884), (152, 1062089), (266, 606908), (284, 568442), (497, 324824), (532, 303454), (568, 284221), (994, 162412), (1064, 151727), (1349, 119672), (1988, 81206), (2137, 75544), (2698, 59836), (3976, 40603), (4274, 37772), (5396, 29918), (8548, 18886), (9443, 17096), (10792, 14959)]