4400396

素因数分解:

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

素因数の和:199

約数の個数: 72

約数和(自身を含む): 10591056

約数和(自身を除く): 6190660

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 157, 182, 196, 286, 308, 314, 364, 539, 572, 628, 637, 1001, 1078, 1099, 1274, 1727, 2002, 2041, 2156, 2198, 2548, 3454, 4004, 4082, 4396, 6908, 7007, 7693, 8164, 12089, 14014, 14287, 15386, 22451, 24178, 28028, 28574, 30772, 44902, 48356, 57148, 84623, 89804, 100009, 157157, 169246, 200018, 314314, 338492, 400036, 628628, 1100099, 2200198, 4400396]

約数ペア:

[(1, 4400396), (2, 2200198), (4, 1100099), (7, 628628), (11, 400036), (13, 338492), (14, 314314), (22, 200018), (26, 169246), (28, 157157), (44, 100009), (49, 89804), (52, 84623), (77, 57148), (91, 48356), (98, 44902), (143, 30772), (154, 28574), (157, 28028), (182, 24178), (196, 22451), (286, 15386), (308, 14287), (314, 14014), (364, 12089), (539, 8164), (572, 7693), (628, 7007), (637, 6908), (1001, 4396), (1078, 4082), (1099, 4004), (1274, 3454), (1727, 2548), (2002, 2198), (2041, 2156)]