2781296

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1341

約数の個数: 40

約数和(自身を含む): 6487680

約数和(自身を除く): 3706384

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 1307, 2128, 2614, 5228, 9149, 10456, 18298, 20912, 24833, 36596, 49666, 73192, 99332, 146384, 173831, 198664, 347662, 397328, 695324, 1390648, 2781296]

約数ペア:

[(1, 2781296), (2, 1390648), (4, 695324), (7, 397328), (8, 347662), (14, 198664), (16, 173831), (19, 146384), (28, 99332), (38, 73192), (56, 49666), (76, 36596), (112, 24833), (133, 20912), (152, 18298), (266, 10456), (304, 9149), (532, 5228), (1064, 2614), (1307, 2128)]