398318144

素因数分解:

$2^6\times 7^1\times {\mathrm{101}}^1\times {\mathrm{8803}}^1$

素因数の和:8923

約数の個数: 56

約数和(自身を含む): 912376128

約数和(自身を除く): 514057984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 101, 112, 202, 224, 404, 448, 707, 808, 1414, 1616, 2828, 3232, 5656, 6464, 8803, 11312, 17606, 22624, 35212, 45248, 61621, 70424, 123242, 140848, 246484, 281696, 492968, 563392, 889103, 985936, 1778206, 1971872, 3556412, 3943744, 6223721, 7112824, 12447442, 14225648, 24894884, 28451296, 49789768, 56902592, 99579536, 199159072, 398318144]

約数ペア:

[(1, 398318144), (2, 199159072), (4, 99579536), (7, 56902592), (8, 49789768), (14, 28451296), (16, 24894884), (28, 14225648), (32, 12447442), (56, 7112824), (64, 6223721), (101, 3943744), (112, 3556412), (202, 1971872), (224, 1778206), (404, 985936), (448, 889103), (707, 563392), (808, 492968), (1414, 281696), (1616, 246484), (2828, 140848), (3232, 123242), (5656, 70424), (6464, 61621), (8803, 45248), (11312, 35212), (17606, 22624)]