628628

素因数分解:

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

素因数の和:192

約数の個数: 48

約数和(自身を含む): 1486464

約数和(自身を除く): 857836

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 157, 182, 286, 308, 314, 364, 572, 628, 1001, 1099, 1727, 2002, 2041, 2198, 3454, 4004, 4082, 4396, 6908, 8164, 12089, 14287, 22451, 24178, 28574, 44902, 48356, 57148, 89804, 157157, 314314, 628628]

約数ペア:

[(1, 628628), (2, 314314), (4, 157157), (7, 89804), (11, 57148), (13, 48356), (14, 44902), (22, 28574), (26, 24178), (28, 22451), (44, 14287), (52, 12089), (77, 8164), (91, 6908), (143, 4396), (154, 4082), (157, 4004), (182, 3454), (286, 2198), (308, 2041), (314, 2002), (364, 1727), (572, 1099), (628, 1001)]