1257256

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 3185280

約数和(自身を除く): 1928024

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 157, 182, 286, 308, 314, 364, 572, 616, 628, 728, 1001, 1099, 1144, 1256, 1727, 2002, 2041, 2198, 3454, 4004, 4082, 4396, 6908, 8008, 8164, 8792, 12089, 13816, 14287, 16328, 22451, 24178, 28574, 44902, 48356, 57148, 89804, 96712, 114296, 157157, 179608, 314314, 628628, 1257256]

約数ペア:

[(1, 1257256), (2, 628628), (4, 314314), (7, 179608), (8, 157157), (11, 114296), (13, 96712), (14, 89804), (22, 57148), (26, 48356), (28, 44902), (44, 28574), (52, 24178), (56, 22451), (77, 16328), (88, 14287), (91, 13816), (104, 12089), (143, 8792), (154, 8164), (157, 8008), (182, 6908), (286, 4396), (308, 4082), (314, 4004), (364, 3454), (572, 2198), (616, 2041), (628, 2002), (728, 1727), (1001, 1256), (1099, 1144)]