12987128

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 31449600

約数和(自身を除く): 18462472

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 29, 44, 56, 58, 77, 88, 116, 154, 203, 232, 308, 319, 406, 616, 638, 727, 812, 1276, 1454, 1624, 2233, 2552, 2908, 4466, 5089, 5816, 7997, 8932, 10178, 15994, 17864, 20356, 21083, 31988, 40712, 42166, 55979, 63976, 84332, 111958, 147581, 168664, 223916, 231913, 295162, 447832, 463826, 590324, 927652, 1180648, 1623391, 1855304, 3246782, 6493564, 12987128]

約数ペア:

[(1, 12987128), (2, 6493564), (4, 3246782), (7, 1855304), (8, 1623391), (11, 1180648), (14, 927652), (22, 590324), (28, 463826), (29, 447832), (44, 295162), (56, 231913), (58, 223916), (77, 168664), (88, 147581), (116, 111958), (154, 84332), (203, 63976), (232, 55979), (308, 42166), (319, 40712), (406, 31988), (616, 21083), (638, 20356), (727, 17864), (812, 15994), (1276, 10178), (1454, 8932), (1624, 7997), (2233, 5816), (2552, 5089), (2908, 4466)]