28320366

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 57708288

約数和(自身を除く): 29387922

約数列:

[1, 2, 3, 6, 131, 137, 262, 263, 274, 393, 411, 526, 786, 789, 822, 1578, 17947, 34453, 35894, 36031, 53841, 68906, 72062, 103359, 107682, 108093, 206718, 216186, 4720061, 9440122, 14160183, 28320366]

約数ペア:

[(1, 28320366), (2, 14160183), (3, 9440122), (6, 4720061), (131, 216186), (137, 206718), (262, 108093), (263, 107682), (274, 103359), (393, 72062), (411, 68906), (526, 53841), (786, 36031), (789, 35894), (822, 34453), (1578, 17947)]