28253030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3061}}^1$

素因数の和:3152

約数の個数: 32

約数和(自身を含む): 55556928

約数和(自身を除く): 27303898

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 3061, 4615, 6122, 9230, 15305, 30610, 39793, 79586, 198965, 217331, 397930, 434662, 1086655, 2173310, 2825303, 5650606, 14126515, 28253030]

約数ペア:

[(1, 28253030), (2, 14126515), (5, 5650606), (10, 2825303), (13, 2173310), (26, 1086655), (65, 434662), (71, 397930), (130, 217331), (142, 198965), (355, 79586), (710, 39793), (923, 30610), (1846, 15305), (3061, 9230), (4615, 6122)]