7640248

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 18201600

約数和(自身を除く): 10561352

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 79, 88, 154, 157, 158, 308, 314, 316, 553, 616, 628, 632, 869, 1099, 1106, 1256, 1727, 1738, 2198, 2212, 3454, 3476, 4396, 4424, 6083, 6908, 6952, 8792, 12089, 12166, 12403, 13816, 24178, 24332, 24806, 48356, 48664, 49612, 86821, 96712, 99224, 136433, 173642, 272866, 347284, 545732, 694568, 955031, 1091464, 1910062, 3820124, 7640248]

約数ペア:

[(1, 7640248), (2, 3820124), (4, 1910062), (7, 1091464), (8, 955031), (11, 694568), (14, 545732), (22, 347284), (28, 272866), (44, 173642), (56, 136433), (77, 99224), (79, 96712), (88, 86821), (154, 49612), (157, 48664), (158, 48356), (308, 24806), (314, 24332), (316, 24178), (553, 13816), (616, 12403), (628, 12166), (632, 12089), (869, 8792), (1099, 6952), (1106, 6908), (1256, 6083), (1727, 4424), (1738, 4396), (2198, 3476), (2212, 3454)]