161354032

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 367690752

約数和(自身を除く): 206336720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 103, 112, 142, 197, 206, 284, 394, 412, 497, 568, 721, 788, 824, 994, 1136, 1379, 1442, 1576, 1648, 1988, 2758, 2884, 3152, 3976, 5516, 5768, 7313, 7952, 11032, 11536, 13987, 14626, 20291, 22064, 27974, 29252, 40582, 51191, 55948, 58504, 81164, 97909, 102382, 111896, 117008, 142037, 162328, 195818, 204764, 223792, 284074, 324656, 391636, 409528, 568148, 783272, 819056, 1136296, 1440661, 1566544, 2272592, 2881322, 5762644, 10084627, 11525288, 20169254, 23050576, 40338508, 80677016, 161354032]

約数ペア:

[(1, 161354032), (2, 80677016), (4, 40338508), (7, 23050576), (8, 20169254), (14, 11525288), (16, 10084627), (28, 5762644), (56, 2881322), (71, 2272592), (103, 1566544), (112, 1440661), (142, 1136296), (197, 819056), (206, 783272), (284, 568148), (394, 409528), (412, 391636), (497, 324656), (568, 284074), (721, 223792), (788, 204764), (824, 195818), (994, 162328), (1136, 142037), (1379, 117008), (1442, 111896), (1576, 102382), (1648, 97909), (1988, 81164), (2758, 58504), (2884, 55948), (3152, 51191), (3976, 40582), (5516, 29252), (5768, 27974), (7313, 22064), (7952, 20291), (11032, 14626), (11536, 13987)]