28129192

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38639}}^1$

素因数の和:38665

約数の個数: 32

約数和(自身を含む): 64915200

約数和(自身を除く): 36786008

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 38639, 77278, 154556, 270473, 309112, 502307, 540946, 1004614, 1081892, 2009228, 2163784, 3516149, 4018456, 7032298, 14064596, 28129192]

約数ペア:

[(1, 28129192), (2, 14064596), (4, 7032298), (7, 4018456), (8, 3516149), (13, 2163784), (14, 2009228), (26, 1081892), (28, 1004614), (52, 540946), (56, 502307), (91, 309112), (104, 270473), (182, 154556), (364, 77278), (728, 38639)]