15311128

素因数分解:

$2^3\times 7^2\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 33755400

約数和(自身を除く): 18444272

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 139, 196, 278, 281, 392, 556, 562, 973, 1112, 1124, 1946, 1967, 2248, 3892, 3934, 6811, 7784, 7868, 13622, 13769, 15736, 27244, 27538, 39059, 54488, 55076, 78118, 110152, 156236, 273413, 312472, 546826, 1093652, 1913891, 2187304, 3827782, 7655564, 15311128]

約数ペア:

[(1, 15311128), (2, 7655564), (4, 3827782), (7, 2187304), (8, 1913891), (14, 1093652), (28, 546826), (49, 312472), (56, 273413), (98, 156236), (139, 110152), (196, 78118), (278, 55076), (281, 54488), (392, 39059), (556, 27538), (562, 27244), (973, 15736), (1112, 13769), (1124, 13622), (1946, 7868), (1967, 7784), (2248, 6811), (3892, 3934)]