87871784

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10973}}^1$

素因数の和:11010

約数の個数: 64

約数和(自身を含む): 221235840

約数和(自身を除く): 133364056

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 4004, 8008, 10973, 21946, 43892, 76811, 87784, 120703, 142649, 153622, 241406, 285298, 307244, 482812, 570596, 614488, 844921, 965624, 998543, 1141192, 1569139, 1689842, 1997086, 3138278, 3379684, 3994172, 6276556, 6759368, 7988344, 10983973, 12553112, 21967946, 43935892, 87871784]

約数ペア:

[(1, 87871784), (2, 43935892), (4, 21967946), (7, 12553112), (8, 10983973), (11, 7988344), (13, 6759368), (14, 6276556), (22, 3994172), (26, 3379684), (28, 3138278), (44, 1997086), (52, 1689842), (56, 1569139), (77, 1141192), (88, 998543), (91, 965624), (104, 844921), (143, 614488), (154, 570596), (182, 482812), (286, 307244), (308, 285298), (364, 241406), (572, 153622), (616, 142649), (728, 120703), (1001, 87784), (1144, 76811), (2002, 43892), (4004, 21946), (8008, 10973)]