256693788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{2039}}^1$

素因数の和:2331

約数の個数: 72

約数和(自身を含む): 701719200

約数和(自身を除く): 445025412

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 269, 468, 538, 807, 1076, 1614, 2039, 2421, 3228, 3497, 4078, 4842, 6117, 6994, 8156, 9684, 10491, 12234, 13988, 18351, 20982, 24468, 26507, 31473, 36702, 41964, 53014, 62946, 73404, 79521, 106028, 125892, 159042, 238563, 318084, 477126, 548491, 954252, 1096982, 1645473, 2193964, 3290946, 4936419, 6581892, 7130383, 9872838, 14260766, 19745676, 21391149, 28521532, 42782298, 64173447, 85564596, 128346894, 256693788]

約数ペア:

[(1, 256693788), (2, 128346894), (3, 85564596), (4, 64173447), (6, 42782298), (9, 28521532), (12, 21391149), (13, 19745676), (18, 14260766), (26, 9872838), (36, 7130383), (39, 6581892), (52, 4936419), (78, 3290946), (117, 2193964), (156, 1645473), (234, 1096982), (269, 954252), (468, 548491), (538, 477126), (807, 318084), (1076, 238563), (1614, 159042), (2039, 125892), (2421, 106028), (3228, 79521), (3497, 73404), (4078, 62946), (4842, 53014), (6117, 41964), (6994, 36702), (8156, 31473), (9684, 26507), (10491, 24468), (12234, 20982), (13988, 18351)]