28508284

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1307}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 61528320

約数和(自身を除く): 33020036

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 76, 82, 133, 164, 266, 287, 532, 574, 779, 1148, 1307, 1558, 2614, 3116, 5228, 5453, 9149, 10906, 18298, 21812, 24833, 36596, 49666, 53587, 99332, 107174, 173831, 214348, 347662, 375109, 695324, 750218, 1018153, 1500436, 2036306, 4072612, 7127071, 14254142, 28508284]

約数ペア:

[(1, 28508284), (2, 14254142), (4, 7127071), (7, 4072612), (14, 2036306), (19, 1500436), (28, 1018153), (38, 750218), (41, 695324), (76, 375109), (82, 347662), (133, 214348), (164, 173831), (266, 107174), (287, 99332), (532, 53587), (574, 49666), (779, 36596), (1148, 24833), (1307, 21812), (1558, 18298), (2614, 10906), (3116, 9149), (5228, 5453)]