28906906

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{839}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 52254720

約数和(自身を除く): 23347814

約数列:

[1, 2, 7, 14, 23, 46, 107, 161, 214, 322, 749, 839, 1498, 1678, 2461, 4922, 5873, 11746, 17227, 19297, 34454, 38594, 89773, 135079, 179546, 270158, 628411, 1256822, 2064779, 4129558, 14453453, 28906906]

約数ペア:

[(1, 28906906), (2, 14453453), (7, 4129558), (14, 2064779), (23, 1256822), (46, 628411), (107, 270158), (161, 179546), (214, 135079), (322, 89773), (749, 38594), (839, 34454), (1498, 19297), (1678, 17227), (2461, 11746), (4922, 5873)]