128481892

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2657}}^1$

素因数の和:2836

約数の個数: 48

約数和(自身を含む): 282215808

約数和(自身を除く): 153733916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 157, 308, 314, 628, 1099, 1727, 2198, 2657, 3454, 4396, 5314, 6908, 10628, 12089, 18599, 24178, 29227, 37198, 48356, 58454, 74396, 116908, 204589, 409178, 417149, 818356, 834298, 1668596, 2920043, 4588639, 5840086, 9177278, 11680172, 18354556, 32120473, 64240946, 128481892]

約数ペア:

[(1, 128481892), (2, 64240946), (4, 32120473), (7, 18354556), (11, 11680172), (14, 9177278), (22, 5840086), (28, 4588639), (44, 2920043), (77, 1668596), (154, 834298), (157, 818356), (308, 417149), (314, 409178), (628, 204589), (1099, 116908), (1727, 74396), (2198, 58454), (2657, 48356), (3454, 37198), (4396, 29227), (5314, 24178), (6908, 18599), (10628, 12089)]